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1020234420240 = 24357607282393
BaseRepresentation
bin11101101100010101011…
…01011101000000010000
310121112101220001110211220
432312022231131000100
5113203420002421430
62100404512205040
7133465234325610
oct16661255350020
93545356043756
101020234420240
11363751807352
1214588a539780
13752913bc679
1437545910a40
151b812d8a110
hexed8ab5d010

1020234420240 has 80 divisors (see below), whose sum is σ = 3614544809088. Its totient is φ = 233196438528.

The previous prime is 1020234420239. The next prime is 1020234420251. The reversal of 1020234420240 is 420244320201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1020234420240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303639517 + ... + 303642876.

Almost surely, 21020234420240 is an apocalyptic number.

1020234420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020234420240 is an abundant number, since it is smaller than the sum of its proper divisors (2594310388848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020234420240 is a wasteful number, since it uses less digits than its factorization.

1020234420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607282416 (or 607282410 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1020234420240 its reverse (420244320201), we get a palindrome (1440478740441).

The spelling of 1020234420240 in words is "one trillion, twenty billion, two hundred thirty-four million, four hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 607282393 1214564786 1821847179 2429129572 3036411965 3643694358 4250976751 4858259144 6072823930 7287388716 8501953502 9109235895 9716518288 12145647860 12752930253 14574777432 17003907004 18218471790 21254883755 24291295720 25505860506 29149554864 34007814008 36436943580 42509767510 48582591440 51011721012 63764651265 68015628016 72873887160 85019535020 102023442024 127529302530 145747774320 170039070040 204046884048 255058605060 340078140080 510117210120 1020234420240