20201404031 has 16 divisors (see below), whose sum is σ = 21397845600. Its totient is φ = 19043447808.

The previous prime is 20201403979. The next prime is 20201404037. The reversal of 20201404031 is 13040410202.

It is a cyclic number.

It is not a de Polignac number, because 20201404031 - 2³⁴ = 3021534847 is a prime.

It is a super-2 number, since 2×20201404031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201404037) 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, 173555 + ... + 265563.

It is an arithmetic number, because the mean of its divisors is an integer number (1337365350).

Almost surely, 2^20201404031 is an apocalyptic number.

20201404031 is a deficient number, since it is larger than the sum of its proper divisors (1196441569).

20201404031 is a wasteful number, since it uses less digits than its factorization.

20201404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92218.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201404031 its reverse (13040410202), we get a palindrome (33241814233).

The spelling of 20201404031 in words is "twenty billion, two hundred one million, four hundred four thousand, thirty-one".