20126612 has 24 divisors (see below), whose sum is σ = 38805312. Its totient is φ = 9057600.

The previous prime is 20126597. The next prime is 20126663. The reversal of 20126612 is 21662102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (1616888).

Almost surely, 2^20126612 is an apocalyptic number.

20126612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20126612 is a deficient number, since it is larger than the sum of its proper divisors (18678700).

20126612 is a wasteful number, since it uses less digits than its factorization.

20126612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20126612 is about 4486.2692741297. The cubic root of 20126612 is about 272.0133535832.

Adding to 20126612 its reverse (21662102), we get a palindrome (41788714).

The spelling of 20126612 in words is "twenty million, one hundred twenty-six thousand, six hundred twelve".