20122301331 has 36 divisors (see below), whose sum is σ = 31970593200. Its totient is φ = 12186741600.

The previous prime is 20122301323. The next prime is 20122301359. The reversal of 20122301331 is 13310322102.

20122301331 is a `hidden beast` number, since 20 + 12 + 2 + 301 + 331 = 666.

It is not a de Polignac number, because 20122301331 - 2³ = 20122301323 is a prime.

It is a super-2 number, since 2×20122301331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122306331) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1759570 + ... + 1770968.

Almost surely, 2^20122301331 is an apocalyptic number.

20122301331 is a deficient number, since it is larger than the sum of its proper divisors (11848291869).

20122301331 is a wasteful number, since it uses less digits than its factorization.

20122301331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048 (or 13034 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20122301331 its reverse (13310322102), we get a palindrome (33432623433).

It can be divided in two parts, 2012230 and 1331, that added together give a square (2013561 = 1419²).

The spelling of 20122301331 in words is "twenty billion, one hundred twenty-two million, three hundred one thousand, three hundred thirty-one".