20038612 has 24 divisors (see below), whose sum is σ = 39920832. Its totient is φ = 8712000.

The previous prime is 20038609. The next prime is 20038619. The reversal of 20038612 is 21683002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8889 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (1663368).

Almost surely, 2^20038612 is an apocalyptic number.

20038612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20038612 is a deficient number, since it is larger than the sum of its proper divisors (19882220).

20038612 is a wasteful number, since it uses less digits than its factorization.

20038612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839 (or 19837 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20038612 is about 4476.4508262685. The cubic root of 20038612 is about 271.6163311880.

The spelling of 20038612 in words is "twenty million, thirty-eight thousand, six hundred twelve".