20236612 has 12 divisors (see below), whose sum is σ = 38633616. Its totient is φ = 9198440.

The previous prime is 20236609. The next prime is 20236621. The reversal of 20236612 is 21663202.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229918 + ... + 230005.

It is an arithmetic number, because the mean of its divisors is an integer number (3219468).

Almost surely, 2^20236612 is an apocalyptic number.

20236612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20236612 is a deficient number, since it is larger than the sum of its proper divisors (18397004).

20236612 is a wasteful number, since it uses less digits than its factorization.

20236612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459938 (or 459936 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20236612 is about 4498.5121984941. The cubic root of 20236612 is about 272.5080075082.

Adding to 20236612 its reverse (21663202), we get a palindrome (41899814).

It can be divided in two parts, 20 and 236612, that added together give a palindrome (236632).

The spelling of 20236612 in words is "twenty million, two hundred thirty-six thousand, six hundred twelve".