20330001131 has 32 divisors (see below), whose sum is σ = 22926758400. Its totient is φ = 17869646080.

The previous prime is 20330001077. The next prime is 20330001163. The reversal of 20330001131 is 13110003302.

It is not a de Polignac number, because 20330001131 - 2¹⁴ = 20329984747 is a prime.

It is a super-2 number, since 2×20330001131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330001031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24230810 + ... + 24231648.

It is an arithmetic number, because the mean of its divisors is an integer number (716461200).

Almost surely, 2^20330001131 is an apocalyptic number.

20330001131 is a deficient number, since it is larger than the sum of its proper divisors (2596757269).

20330001131 is a wasteful number, since it uses less digits than its factorization.

20330001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20330001131 its reverse (13110003302), we get a palindrome (33440004433).

The spelling of 20330001131 in words is "twenty billion, three hundred thirty million, one thousand, one hundred thirty-one".