20122532 has 12 divisors (see below), whose sum is σ = 35263536. Its totient is φ = 10047240.

The previous prime is 20122519. The next prime is 20122541. The reversal of 20122532 is 23522102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (2938628).

Almost surely, 2^20122532 is an apocalyptic number.

It is an amenable number.

20122532 is a deficient number, since it is larger than the sum of its proper divisors (15141004).

20122532 is a wasteful number, since it uses less digits than its factorization.

20122532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018 (or 7016 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20122532 is about 4485.8145302721. The cubic root of 20122532 is about 271.9949717929.

Adding to 20122532 its reverse (23522102), we get a palindrome (43644634).

The spelling of 20122532 in words is "twenty million, one hundred twenty-two thousand, five hundred thirty-two".