20626412 has 12 divisors (see below), whose sum is σ = 36935976. Its totient is φ = 10073280.

The previous prime is 20626399. The next prime is 20626429. The reversal of 20626412 is 21462602.

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, 59789 + ... + 60132.

It is an arithmetic number, because the mean of its divisors is an integer number (3077998).

Almost surely, 2^20626412 is an apocalyptic number.

It is an amenable number.

20626412 is a deficient number, since it is larger than the sum of its proper divisors (16309564).

20626412 is a wasteful number, since it uses less digits than its factorization.

20626412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119968 (or 119966 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20626412 is about 4541.6309845693. The cubic root of 20626412 is about 274.2465856985.

The spelling of 20626412 in words is "twenty million, six hundred twenty-six thousand, four hundred twelve".