20833038 has 20 divisors (see below), whose sum is σ = 46681800. Its totient is φ = 6944292.

The previous prime is 20833013. The next prime is 20833039. The reversal of 20833038 is 83033802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64138 + ... + 64461.

It is an arithmetic number, because the mean of its divisors is an integer number (2334090).

Almost surely, 2^20833038 is an apocalyptic number.

20833038 is an abundant number, since it is smaller than the sum of its proper divisors (25848762).

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

20833038 is a wasteful number, since it uses less digits than its factorization.

20833038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128613 (or 128604 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20833038 is about 4564.3222936160. The cubic root of 20833038 is about 275.1593038428.

The spelling of 20833038 in words is "twenty million, eight hundred thirty-three thousand, thirty-eight".