20544707356 has 12 divisors (see below), whose sum is σ = 36789359992. Its totient is φ = 10033461648.

The previous prime is 20544707327. The next prime is 20544707363. The reversal of 20544707356 is 65370744502.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59722815 + ... + 59723158.

Almost surely, 2^20544707356 is an apocalyptic number.

It is an amenable number.

20544707356 is a deficient number, since it is larger than the sum of its proper divisors (16244652636).

20544707356 is a wasteful number, since it uses less digits than its factorization.

20544707356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119446020 (or 119446018 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 20544707356 in words is "twenty billion, five hundred forty-four million, seven hundred seven thousand, three hundred fifty-six".