20422263015 has 48 divisors (see below), whose sum is σ = 44133313536. Its totient is φ = 8487172800.

The previous prime is 20422262989. The next prime is 20422263041. The reversal of 20422263015 is 51036222402.

It is a happy number.

20422263015 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 22 + 630 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20422262989) and next prime (20422263041).

It is not a de Polignac number, because 20422263015 - 2⁸ = 20422262759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20422263015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2943471 + ... + 2950400.

It is an arithmetic number, because the mean of its divisors is an integer number (919444032).

Almost surely, 2^20422263015 is an apocalyptic number.

20422263015 is an abundant number, since it is smaller than the sum of its proper divisors (23711050521).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422263015 is a wasteful number, since it uses less digits than its factorization.

20422263015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893900 (or 5893897 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20422263015 its reverse (51036222402), we get a palindrome (71458485417).

The spelling of 20422263015 in words is "twenty billion, four hundred twenty-two million, two hundred sixty-three thousand, fifteen".