20130901 has 16 divisors (see below), whose sum is σ = 24013440. Its totient is φ = 16511040.

The previous prime is 20130881. The next prime is 20130931. The reversal of 20130901 is 10903102.

It is not a de Polignac number, because 20130901 - 2²¹ = 18033749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26215 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (1500840).

Almost surely, 2^20130901 is an apocalyptic number.

It is an amenable number.

20130901 is a deficient number, since it is larger than the sum of its proper divisors (3882539).

20130901 is a wasteful number, since it uses less digits than its factorization.

20130901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 20130901 is about 4486.7472627729. The cubic root of 20130901 is about 272.0326743115.

The spelling of 20130901 in words is "twenty million, one hundred thirty thousand, nine hundred one".