20332398 has 32 divisors (see below), whose sum is σ = 41952672. Its totient is φ = 6566400.

The previous prime is 20332397. The next prime is 20332409. The reversal of 20332398 is 89323302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26338 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (1311021).

Almost surely, 2^20332398 is an apocalyptic number.

20332398 is an abundant number, since it is smaller than the sum of its proper divisors (21620274).

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

20332398 is a wasteful number, since it uses less digits than its factorization.

20332398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 20332398 is about 4509.1460388859. The cubic root of 20332398 is about 272.9372851686.

The spelling of 20332398 in words is "twenty million, three hundred thirty-two thousand, three hundred ninety-eight".