20534454524 has 12 divisors (see below), whose sum is σ = 35978132400. Its totient is φ = 10254988128.

The previous prime is 20534454469. The next prime is 20534454539. The reversal of 20534454524 is 42545443502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056009 + ... + 3062720.

It is an arithmetic number, because the mean of its divisors is an integer number (2998177700).

Almost surely, 2^20534454524 is an apocalyptic number.

It is an amenable number.

20534454524 is a deficient number, since it is larger than the sum of its proper divisors (15443677876).

20534454524 is a wasteful number, since it uses less digits than its factorization.

20534454524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119572 (or 6119570 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 20534454524 in words is "twenty billion, five hundred thirty-four million, four hundred fifty-four thousand, five hundred twenty-four".