20544244502 has 4 divisors (see below), whose sum is σ = 30816366756. Its totient is φ = 10272122250.

The previous prime is 20544244489. The next prime is 20544244537.

20544244502 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5136061124 + ... + 5136061127.

It is an arithmetic number, because the mean of its divisors is an integer number (7704091689).

Almost surely, 2^20544244502 is an apocalyptic number.

20544244502 is a deficient number, since it is larger than the sum of its proper divisors (10272122254).

20544244502 is a wasteful number, since it uses less digits than its factorization.

20544244502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272122253.

The product of its (nonzero) digits is 51200, while the sum is 32.

The spelling of 20544244502 in words is "twenty billion, five hundred forty-four million, two hundred forty-four thousand, five hundred two".