20983038 has 32 divisors (see below), whose sum is σ = 44015616. Its totient is φ = 6655968.

The previous prime is 20983031. The next prime is 20983043. The reversal of 20983038 is 83038902.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20983031) 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, 52656 + ... + 53052.

It is an arithmetic number, because the mean of its divisors is an integer number (1375488).

Almost surely, 2^20983038 is an apocalyptic number.

20983038 is an abundant number, since it is smaller than the sum of its proper divisors (23032578).

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

20983038 is a wasteful number, since it uses less digits than its factorization.

20983038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20983038 is about 4580.7246151673. The cubic root of 20983038 is about 275.8181168809.

The spelling of 20983038 in words is "twenty million, nine hundred eighty-three thousand, thirty-eight".