20562426502 has 4 divisors (see below), whose sum is σ = 30843639756. Its totient is φ = 10281213250.

The previous prime is 20562426491. The next prime is 20562426541.

20562426502 is nontrivially palindromic in base 10.

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

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, 5140606624 + ... + 5140606627.

It is an arithmetic number, because the mean of its divisors is an integer number (7710909939).

Almost surely, 2^20562426502 is an apocalyptic number.

20562426502 is a deficient number, since it is larger than the sum of its proper divisors (10281213254).

20562426502 is a wasteful number, since it uses less digits than its factorization.

20562426502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281213253.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20562426502 in words is "twenty billion, five hundred sixty-two million, four hundred twenty-six thousand, five hundred two".