20264520038254 has 4 divisors (see below), whose sum is σ = 30396780057384. Its totient is φ = 10132260019126.

The previous prime is 20264520038209. The next prime is 20264520038263. The reversal of 20264520038254 is 45283002546202.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20264520038254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066130009562 + ... + 5066130009565.

It is an arithmetic number, because the mean of its divisors is an integer number (7599195014346).

Almost surely, 2^{20264520038254} is an apocalyptic number.

20264520038254 is a deficient number, since it is larger than the sum of its proper divisors (10132260019130).

20264520038254 is a wasteful number, since it uses less digits than its factorization.

20264520038254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132260019129.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 20264520038254 in words is "twenty trillion, two hundred sixty-four billion, five hundred twenty million, thirty-eight thousand, two hundred fifty-four".