20726667430364 has 24 divisors (see below), whose sum is σ = 41503459858560. Its totient is φ = 8872116399216.

The previous prime is 20726667430361. The next prime is 20726667430369. The reversal of 20726667430364 is 46303476662702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20726667430361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447521054 + ... + 447567365.

It is an arithmetic number, because the mean of its divisors is an integer number (1729310827440).

Almost surely, 2^{20726667430364} is an apocalyptic number.

It is an amenable number.

20726667430364 is an abundant number, since it is smaller than the sum of its proper divisors (20776792428196).

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

20726667430364 is a wasteful number, since it uses less digits than its factorization.

20726667430364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895089257 (or 895089255 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 56.

The spelling of 20726667430364 in words is "twenty trillion, seven hundred twenty-six billion, six hundred sixty-seven million, four hundred thirty thousand, three hundred sixty-four".