20263858554708 has 120 divisors (see below), whose sum is σ = 53172542689728. Its totient is φ = 6729279513984.

The previous prime is 20263858554691. The next prime is 20263858554721. The reversal of 20263858554708 is 80745585836202.

20263858554708 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 3 + 8 + 5 + 8 + 554 + 70 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 468799585 + ... + 468842807.

Almost surely, 2^{20263858554708} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20263858554708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26586271344864).

20263858554708 is an abundant number, since it is smaller than the sum of its proper divisors (32908684135020).

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

20263858554708 is a wasteful number, since it uses less digits than its factorization.

20263858554708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48635 (or 48624 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 63.

The spelling of 20263858554708 in words is "twenty trillion, two hundred sixty-three billion, eight hundred fifty-eight million, five hundred fifty-four thousand, seven hundred eight".