20413710 has 24 divisors (see below), whose sum is σ = 53075880. Its totient is φ = 5443632.

The previous prime is 20413703. The next prime is 20413739. The reversal of 20413710 is 1731402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113320 + ... + 113499.

It is an arithmetic number, because the mean of its divisors is an integer number (2211495).

Almost surely, 2^20413710 is an apocalyptic number.

20413710 is an abundant number, since it is smaller than the sum of its proper divisors (32662170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20413710 is a wasteful number, since it uses less digits than its factorization.

20413710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226832 (or 226829 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20413710 is about 4518.1533838505. The cubic root of 20413710 is about 273.3006388947.

The spelling of 20413710 in words is "twenty million, four hundred thirteen thousand, seven hundred ten".