20347412 has 12 divisors (see below), whose sum is σ = 35769216. Its totient is φ = 10127640.

The previous prime is 20347409. The next prime is 20347427. The reversal of 20347412 is 21474302.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 10514 + ... + 12297.

It is an arithmetic number, because the mean of its divisors is an integer number (2980768).

Almost surely, 2^20347412 is an apocalyptic number.

It is an amenable number.

20347412 is a deficient number, since it is larger than the sum of its proper divisors (15421804).

20347412 is a wasteful number, since it uses less digits than its factorization.

20347412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038 (or 23036 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20347412 is about 4510.8105701747. The cubic root of 20347412 is about 273.0044500967.

The spelling of 20347412 in words is "twenty million, three hundred forty-seven thousand, four hundred twelve".