20713416 has 32 divisors (see below), whose sum is σ = 51900000. Its totient is φ = 6888960.

The previous prime is 20713411. The next prime is 20713447. The reversal of 20713416 is 61431702.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20713411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15960 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (1621875).

Almost surely, 2^20713416 is an apocalyptic number.

It is an amenable number.

20713416 is an abundant number, since it is smaller than the sum of its proper divisors (31186584).

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

20713416 is a wasteful number, since it uses less digits than its factorization.

20713416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20713416 is about 4551.1994023554. The cubic root of 20713416 is about 274.6316434538.

The spelling of 20713416 in words is "twenty million, seven hundred thirteen thousand, four hundred sixteen".