20261364010722 has 64 divisors (see below), whose sum is σ = 45045291836160. Its totient is φ = 6750783067392.

The previous prime is 20261364010687. The next prime is 20261364010837. The reversal of 20261364010722 is 22701046316202.

20261364010722 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 1 + 3 + 640 + 1 + 0 + 7 + 2 + 2 = 666.

It is a super-2 number, since 2×20261364010722² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1741708618 + ... + 1741720250.

It is an arithmetic number, because the mean of its divisors is an integer number (703832684940).

Almost surely, 2^{20261364010722} is an apocalyptic number.

20261364010722 is an abundant number, since it is smaller than the sum of its proper divisors (24783927825438).

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

20261364010722 is a wasteful number, since it uses less digits than its factorization.

20261364010722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224 (or 23218 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 20261364010722 in words is "twenty trillion, two hundred sixty-one billion, three hundred sixty-four million, ten thousand, seven hundred twenty-two".