20433132336 has 40 divisors (see below), whose sum is σ = 53059116400. Its totient is φ = 6775750656.

The previous prime is 20433132319. The next prime is 20433132383. The reversal of 20433132336 is 63323133402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093561 + ... + 1112088.

It is an arithmetic number, because the mean of its divisors is an integer number (1326477910).

Almost surely, 2^20433132336 is an apocalyptic number.

It is an amenable number.

20433132336 is an abundant number, since it is smaller than the sum of its proper divisors (32625984064).

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

20433132336 is a wasteful number, since it uses less digits than its factorization.

20433132336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205853 (or 2205847 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 20433132336 its reverse (63323133402), we get a palindrome (83756265738).

The spelling of 20433132336 in words is "twenty billion, four hundred thirty-three million, one hundred thirty-two thousand, three hundred thirty-six".