20047346 has 16 divisors (see below), whose sum is σ = 32915808. Its totient is φ = 9081600.

The previous prime is 20047327. The next prime is 20047361. The reversal of 20047346 is 64374002.

It is a happy 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, 5906 + ... + 8658.

It is an arithmetic number, because the mean of its divisors is an integer number (2057238).

Almost surely, 2^20047346 is an apocalyptic number.

20047346 is a deficient number, since it is larger than the sum of its proper divisors (12868462).

20047346 is a wasteful number, since it uses less digits than its factorization.

20047346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20047346 is about 4477.4262696330. The cubic root of 20047346 is about 271.6557875545.

The spelling of 20047346 in words is "twenty million, forty-seven thousand, three hundred forty-six".