20533046572 has 6 divisors (see below), whose sum is σ = 35932831508. Its totient is φ = 10266523284.

The previous prime is 20533046561. The next prime is 20533046579. The reversal of 20533046572 is 27564033502.

It is not an unprimeable number, because it can be changed into a prime (20533046579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566630818 + ... + 2566630825.

Almost surely, 2^20533046572 is an apocalyptic number.

It is an amenable number.

20533046572 is a deficient number, since it is larger than the sum of its proper divisors (15399784936).

20533046572 is a wasteful number, since it uses less digits than its factorization.

20533046572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133261647 (or 5133261645 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

It can be divided in two parts, 2053 and 3046572, that added together give a cube (3048625 = 145³).

The spelling of 20533046572 in words is "twenty billion, five hundred thirty-three million, forty-six thousand, five hundred seventy-two".