20122322031 has 96 divisors (see below), whose sum is σ = 34346632320. Its totient is φ = 11116818432.

The previous prime is 20122322027. The next prime is 20122322069. The reversal of 20122322031 is 13022322102.

It is not a de Polignac number, because 20122322031 - 2² = 20122322027 is a prime.

It is a super-2 number, since 2×20122322031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122321995 and 20122322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122322021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68676721 + ... + 68677013.

It is an arithmetic number, because the mean of its divisors is an integer number (357777420).

Almost surely, 2^20122322031 is an apocalyptic number.

20122322031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20122322031 is a deficient number, since it is larger than the sum of its proper divisors (14224310289).

20122322031 is a wasteful number, since it uses less digits than its factorization.

20122322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20122322031 its reverse (13022322102), we get a palindrome (33144644133).

The spelling of 20122322031 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-two thousand, thirty-one".