20422132 has 12 divisors (see below), whose sum is σ = 36191680. Its totient is φ = 10081656.

The previous prime is 20422121. The next prime is 20422133. The reversal of 20422132 is 23122402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31998 + ... + 32629.

Almost surely, 2^20422132 is an apocalyptic number.

It is an amenable number.

20422132 is a deficient number, since it is larger than the sum of its proper divisors (15769548).

20422132 is a wasteful number, since it uses less digits than its factorization.

20422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64710 (or 64708 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20422132 is about 4519.0853056786. The cubic root of 20422132 is about 273.3382185656.

Adding to 20422132 its reverse (23122402), we get a palindrome (43544534).

The spelling of 20422132 in words is "twenty million, four hundred twenty-two thousand, one hundred thirty-two".