20452632 has 32 divisors (see below), whose sum is σ = 54140400. Its totient is φ = 6416384.

The previous prime is 20452577. The next prime is 20452639. The reversal of 20452632 is 23625402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24657 + ... + 25472.

Almost surely, 2^20452632 is an apocalyptic number.

It is an amenable number.

20452632 is an abundant number, since it is smaller than the sum of its proper divisors (33687768).

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

20452632 is a wasteful number, since it uses less digits than its factorization.

20452632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50155 (or 50151 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20452632 is about 4522.4586233596. The cubic root of 20452632 is about 273.4742257305.

The spelling of 20452632 in words is "twenty million, four hundred fifty-two thousand, six hundred thirty-two".