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1022211110020 = 2251071732761091
BaseRepresentation
bin11101110000000001000…
…01111011010010000100
310121201111122112201110111
432320000201323102010
5113221442021010040
62101333003402404
7133565226033562
oct16700041732204
93551448481414
101022211110020
11364576582671
12146140523404
1375517a949a9
143769225ca32
151b8cb695dea
hexee0087b484

1022211110020 has 48 divisors (see below), whose sum is σ = 2179230516288. Its totient is φ = 402721543040.

The previous prime is 1022211110009. The next prime is 1022211110059. The reversal of 1022211110020 is 200111122201.

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, 1010326 + ... + 1750765.

It is an arithmetic number, because the mean of its divisors is an integer number (45400635756).

Almost surely, 21022211110020 is an apocalyptic number.

1022211110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022211110020 is an abundant number, since it is smaller than the sum of its proper divisors (1157019406268).

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

1022211110020 is a wasteful number, since it uses less digits than its factorization.

1022211110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761380 (or 2761378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022211110020 its reverse (200111122201), we get a palindrome (1222322232221).

The spelling of 1022211110020 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 107 173 214 346 428 535 692 865 1070 1730 2140 3460 18511 37022 74044 92555 185110 370220 2761091 5522182 11044364 13805455 27610910 55221820 295436737 477668743 590873474 955337486 1181746948 1477183685 1910674972 2388343715 2954367370 4776687430 5908734740 9553374860 51110555501 102221111002 204442222004 255552777505 511105555010 1022211110020