20263410700677 has 6 divisors (see below), whose sum is σ = 29269371012102. Its totient is φ = 13508940467112.

The previous prime is 20263410700601. The next prime is 20263410700721. The reversal of 20263410700677 is 77600701436202.

20263410700677 is a `hidden beast` number, since 2 + 0 + 2 + 634 + 1 + 0 + 7 + 0 + 0 + 6 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20207551268961 + 55859431716 = 4495281^2 + 236346^2 .

It is not a de Polignac number, because 20263410700677 - 2²⁷ = 20263276482949 is a prime.

It is a super-2 number, since 2×20263410700677² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20263410750677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1125745038918 + ... + 1125745038935.

It is an arithmetic number, because the mean of its divisors is an integer number (4878228502017).

Almost surely, 2^{20263410700677} is an apocalyptic number.

It is an amenable number.

20263410700677 is a deficient number, since it is larger than the sum of its proper divisors (9005960311425).

20263410700677 is a wasteful number, since it uses less digits than its factorization.

20263410700677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251490077859 (or 2251490077856 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 20263410700677 in words is "twenty trillion, two hundred sixty-three billion, four hundred ten million, seven hundred thousand, six hundred seventy-seven".