20606112412 has 12 divisors (see below), whose sum is σ = 36062107200. Its totient is φ = 10302653216.

The previous prime is 20606112379. The next prime is 20606112421. The reversal of 20606112412 is 21421160602.

It is a happy number.

It is a super-2 number, since 2×20606112412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 34464 + ... + 205912.

It is an arithmetic number, because the mean of its divisors is an integer number (3005175600).

Almost surely, 2^20606112412 is an apocalyptic number.

It is an amenable number.

20606112412 is a deficient number, since it is larger than the sum of its proper divisors (15455994788).

20606112412 is a wasteful number, since it uses less digits than its factorization.

20606112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201500 (or 201498 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20606112412 in words is "twenty billion, six hundred six million, one hundred twelve thousand, four hundred twelve".