20034121331 has 16 divisors (see below), whose sum is σ = 23369976000. Its totient is φ = 17167276224.

The previous prime is 20034121309. The next prime is 20034121363. The reversal of 20034121331 is 13312143002.

It is not a de Polignac number, because 20034121331 - 2¹⁴ = 20034104947 is a prime.

It is a super-2 number, since 2×20034121331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20034121031) 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, 1781081 + ... + 1792293.

It is an arithmetic number, because the mean of its divisors is an integer number (1460623500).

Almost surely, 2^20034121331 is an apocalyptic number.

20034121331 is a deficient number, since it is larger than the sum of its proper divisors (3335854669).

20034121331 is an equidigital number, since it uses as much as digits as its factorization.

20034121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443 (or 16429 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20034121331 its reverse (13312143002), we get a palindrome (33346264333).

The spelling of 20034121331 in words is "twenty billion, thirty-four million, one hundred twenty-one thousand, three hundred thirty-one".