20653255556312 has 16 divisors (see below), whose sum is σ = 38724923743800. Its totient is φ = 10326609224640.

The previous prime is 20653255556243. The next prime is 20653255556347. The reversal of 20653255556312 is 21365555235602.

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, 3178364 + ... + 7169972.

Almost surely, 2^{20653255556312} is an apocalyptic number.

It is an amenable number.

20653255556312 is a deficient number, since it is larger than the sum of its proper divisors (18071668187488).

20653255556312 is a wasteful number, since it uses less digits than its factorization.

20653255556312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638386 (or 4638382 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 50.

The spelling of 20653255556312 in words is "twenty trillion, six hundred fifty-three billion, two hundred fifty-five million, five hundred fifty-six thousand, three hundred twelve".