20713401 has 40 divisors (see below), whose sum is σ = 33434720. Its totient is φ = 12737088.

The previous prime is 20713393. The next prime is 20713411. The reversal of 20713401 is 10431702.

It is not a de Polignac number, because 20713401 - 2³ = 20713393 is a prime.

It is a Duffinian number.

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 39 ways as a sum of consecutive naturals, for example, 66021 + ... + 66333.

It is an arithmetic number, because the mean of its divisors is an integer number (835868).

Almost surely, 2^20713401 is an apocalyptic number.

It is an amenable number.

20713401 is a deficient number, since it is larger than the sum of its proper divisors (12721319).

20713401 is a wasteful number, since it uses less digits than its factorization.

20713401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 378 counting only the distinct ones).

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

The square root of 20713401 is about 4551.1977544378. The cubic root of 20713401 is about 274.6315771606.

The spelling of 20713401 in words is "twenty million, seven hundred thirteen thousand, four hundred one".