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20707402112 = 27601269179
BaseRepresentation
bin10011010010010000…
…011110000110000000
31222110010122000111222
4103102100132012000
5314402043331422
613302435254212
71332102004505
oct232220360600
958403560458
1020707402112
118866874771
12401aa4a368
131c50109277
1410062294ac
15812e01842
hex4d241e180

20707402112 has 32 divisors (see below), whose sum is σ = 41321821800. Its totient is φ = 10336435200.

The previous prime is 20707402099. The next prime is 20707402123. The reversal of 20707402112 is 21120470702.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57662 + ... + 211517.

Almost surely, 220707402112 is an apocalyptic number.

It is an amenable number.

20707402112 is a deficient number, since it is larger than the sum of its proper divisors (20614419688).

20707402112 is an equidigital number, since it uses as much as digits as its factorization.

20707402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269794 (or 269782 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 20707402112 its reverse (21120470702), we get a palindrome (41827872814).

The spelling of 20707402112 in words is "twenty billion, seven hundred seven million, four hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 601 1202 2404 4808 9616 19232 38464 76928 269179 538358 1076716 2153432 4306864 8613728 17227456 34454912 161776579 323553158 647106316 1294212632 2588425264 5176850528 10353701056 20707402112