20122214425 has 48 divisors (see below), whose sum is σ = 25971869440. Its totient is φ = 15454333440.

The previous prime is 20122214393. The next prime is 20122214443. The reversal of 20122214425 is 52441222102.

It is a happy number.

It is not a de Polignac number, because 20122214425 - 2⁵ = 20122214393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 20122214425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26581147 + ... + 26581903.

Almost surely, 2^20122214425 is an apocalyptic number.

20122214425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20122214425 is a deficient number, since it is larger than the sum of its proper divisors (5849655015).

20122214425 is a wasteful number, since it uses less digits than its factorization.

20122214425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20122214425 its reverse (52441222102), we get a palindrome (72563436527).

The spelling of 20122214425 in words is "twenty billion, one hundred twenty-two million, two hundred fourteen thousand, four hundred twenty-five".