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1202022102020 = 225239464954091
BaseRepresentation
bin10001011111011110000…
…110011011010000000100
311020220121222122112110212
4101133132012123100010
5124143220124231040
62320111253134552
7152562141200135
oct21373606332004
94226558575425
101202022102020
1142385815a293
12174b6292a458
138947250018c
144226ccd7c8c
15214024b6d65
hex117de19b404

1202022102020 has 48 divisors (see below), whose sum is σ = 2535400224000. Its totient is φ = 478685249280.

The previous prime is 1202022101999. The next prime is 1202022102023. The reversal of 1202022102020 is 202012202021.

It is a junction number, because it is equal to n+sod(n) for n = 1202022101986 and 1202022102004.

It is not an unprimeable number, because it can be changed into a prime (1202022102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22195175 + ... + 22249265.

It is an arithmetic number, because the mean of its divisors is an integer number (52820838000).

Almost surely, 21202022102020 is an apocalyptic number.

1202022102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202022102020 is an abundant number, since it is smaller than the sum of its proper divisors (1333378121980).

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

1202022102020 is a wasteful number, since it uses less digits than its factorization.

1202022102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58988 (or 58986 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1202022102020 its reverse (202012202021), we get a palindrome (1404034304041).

It can be divided in two parts, 120202 and 2102020, that added together give a palindrome (2222222).

The spelling of 1202022102020 in words is "one trillion, two hundred two billion, twenty-two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4649 4780 9298 18596 23245 46490 54091 92980 108182 216364 270455 540910 1081820 1111111 2222222 4444444 5555555 11111110 12927749 22222220 25855498 51710996 64638745 129277490 251469059 258554980 502938118 1005876236 1257345295 2514690590 5029381180 60101105101 120202210202 240404420404 300505525505 601011051010 1202022102020