20233072528 has 10 divisors (see below), whose sum is σ = 39201578054. Its totient is φ = 10116536256.

The previous prime is 20233072513. The next prime is 20233072537. The reversal of 20233072528 is 82527033202.

It can be written as a sum of positive squares in only one way, i.e., 19541803264 + 691269264 = 139792^2 + 26292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20233072493 and 20233072502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632283501 + ... + 632283532.

Almost surely, 2^20233072528 is an apocalyptic number.

It is an amenable number.

20233072528 is a deficient number, since it is larger than the sum of its proper divisors (18968505526).

20233072528 is a wasteful number, since it uses less digits than its factorization.

20233072528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264567041 (or 1264567035 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20233072528 in words is "twenty billion, two hundred thirty-three million, seventy-two thousand, five hundred twenty-eight".