20131401 has 8 divisors (see below), whose sum is σ = 27165600. Its totient is φ = 13259072.

The previous prime is 20131399. The next prime is 20131427. The reversal of 20131401 is 10413102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20131401 - 2¹ = 20131399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20131801) 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, 40176 + ... + 40673.

It is an arithmetic number, because the mean of its divisors is an integer number (3395700).

Almost surely, 2^20131401 is an apocalyptic number.

It is an amenable number.

20131401 is a deficient number, since it is larger than the sum of its proper divisors (7034199).

20131401 is an equidigital number, since it uses as much as digits as its factorization.

20131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80935.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20131401 is about 4486.8029820798. The cubic root of 20131401 is about 272.0349264911.

Adding to 20131401 its reverse (10413102), we get a palindrome (30544503).

The spelling of 20131401 in words is "twenty million, one hundred thirty-one thousand, four hundred one".