20162838 has 32 divisors (see below), whose sum is σ = 42791040. Its totient is φ = 6315840.

The previous prime is 20162827. The next prime is 20162851. The reversal of 20162838 is 83826102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14973 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (1337220).

Almost surely, 2^20162838 is an apocalyptic number.

20162838 is an abundant number, since it is smaller than the sum of its proper divisors (22628202).

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

20162838 is a wasteful number, since it uses less digits than its factorization.

20162838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 20162838 is about 4490.3048894257. The cubic root of 20162838 is about 272.1764552118.

The spelling of 20162838 in words is "twenty million, one hundred sixty-two thousand, eight hundred thirty-eight".