20147547533124 has 48 divisors (see below), whose sum is σ = 51285081798720. Its totient is φ = 6105267987840.

The previous prime is 20147547533119. The next prime is 20147547533131. The reversal of 20147547533124 is 42133574574102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17817042 + ... + 18914070.

It is an arithmetic number, because the mean of its divisors is an integer number (1068439204140).

Almost surely, 2^{20147547533124} is an apocalyptic number.

It is an amenable number.

20147547533124 is an abundant number, since it is smaller than the sum of its proper divisors (31137534265596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20147547533124 is a wasteful number, since it uses less digits than its factorization.

20147547533124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236180 (or 1236178 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 20147547533124 in words is "twenty trillion, one hundred forty-seven billion, five hundred forty-seven million, five hundred thirty-three thousand, one hundred twenty-four".