20522344031 has 16 divisors (see below), whose sum is σ = 23746867200. Its totient is φ = 17371193568.

The previous prime is 20522344027. The next prime is 20522344079. The reversal of 20522344031 is 13044322502.

It is a cyclic number.

It is not a de Polignac number, because 20522344031 - 2² = 20522344027 is a prime.

It is a super-2 number, since 2×20522344031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522344091) 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, 1666565 + ... + 1678833.

It is an arithmetic number, because the mean of its divisors is an integer number (1484179200).

Almost surely, 2^20522344031 is an apocalyptic number.

20522344031 is a deficient number, since it is larger than the sum of its proper divisors (3224523169).

20522344031 is a wasteful number, since it uses less digits than its factorization.

20522344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15238.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20522344031 its reverse (13044322502), we get a palindrome (33566666533).

The spelling of 20522344031 in words is "twenty billion, five hundred twenty-two million, three hundred forty-four thousand, thirty-one".