20261364613326 has 12 divisors (see below), whose sum is σ = 43899623328912. Its totient is φ = 6753788204436.

The previous prime is 20261364613271. The next prime is 20261364613337. The reversal of 20261364613326 is 62331646316202.

20261364613326 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 1 + 3 + 6 + 4 + 613 + 3 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562815683686 + ... + 562815683721.

It is an arithmetic number, because the mean of its divisors is an integer number (3658301944076).

Almost surely, 2^{20261364613326} is an apocalyptic number.

20261364613326 is an abundant number, since it is smaller than the sum of its proper divisors (23638258715586).

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

20261364613326 is a wasteful number, since it uses less digits than its factorization.

20261364613326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125631367415 (or 1125631367412 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 20261364613326 in words is "twenty trillion, two hundred sixty-one billion, three hundred sixty-four million, six hundred thirteen thousand, three hundred twenty-six".