20339802 has 48 divisors (see below), whose sum is σ = 52585920. Its totient is φ = 5810616.

The previous prime is 20339801. The next prime is 20339807. The reversal of 20339802 is 20893302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20339801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (1095540).

Almost surely, 2^20339802 is an apocalyptic number.

20339802 is an abundant number, since it is smaller than the sum of its proper divisors (32246118).

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

20339802 is a wasteful number, since it uses less digits than its factorization.

20339802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7699 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20339802 is about 4509.9669621850. The cubic root of 20339802 is about 272.9704109943.

The spelling of 20339802 in words is "twenty million, three hundred thirty-nine thousand, eight hundred two".