20534313552 has 20 divisors (see below), whose sum is σ = 53046976800. Its totient is φ = 6844771168.

The previous prime is 20534313469. The next prime is 20534313559. The reversal of 20534313552 is 25531343502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534313559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213899052 + ... + 213899147.

It is an arithmetic number, because the mean of its divisors is an integer number (2652348840).

Almost surely, 2^20534313552 is an apocalyptic number.

It is an amenable number.

20534313552 is an abundant number, since it is smaller than the sum of its proper divisors (32512663248).

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

20534313552 is a wasteful number, since it uses less digits than its factorization.

20534313552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427798210 (or 427798204 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20534313552 in words is "twenty billion, five hundred thirty-four million, three hundred thirteen thousand, five hundred fifty-two".