20552433028 has 12 divisors (see below), whose sum is σ = 36204949312. Its totient is φ = 10208161800.

The previous prime is 20552433007. The next prime is 20552433029. The reversal of 20552433028 is 82033425502.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20552432984 and 20552433002.

It is not an unprimeable number, because it can be changed into a prime (20552433029) 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, 17013000 + ... + 17014207.

Almost surely, 2^20552433028 is an apocalyptic number.

It is an amenable number.

20552433028 is a deficient number, since it is larger than the sum of its proper divisors (15652516284).

20552433028 is a wasteful number, since it uses less digits than its factorization.

20552433028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34027362 (or 34027360 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20552433028 in words is "twenty billion, five hundred fifty-two million, four hundred thirty-three thousand, twenty-eight".