20543034502 has 16 divisors (see below), whose sum is σ = 31683506400. Its totient is φ = 9983728960.

The previous prime is 20543034493. The next prime is 20543034521.

20543034502 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443602 + ... + 487717.

It is an arithmetic number, because the mean of its divisors is an integer number (1980219150).

Almost surely, 2^20543034502 is an apocalyptic number.

20543034502 is a deficient number, since it is larger than the sum of its proper divisors (11140471898).

20543034502 is a wasteful number, since it uses less digits than its factorization.

20543034502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931631.

The product of its (nonzero) digits is 14400, while the sum is 28.

It can be divided in two parts, 205430 and 34502, that added together give a palindrome (239932).

The spelling of 20543034502 in words is "twenty billion, five hundred forty-three million, thirty-four thousand, five hundred two".