20492352 has 140 divisors (see below), whose sum is σ = 62697360. Its totient is φ = 6614784.

The previous prime is 20492321. The next prime is 20492371. The reversal of 20492352 is 25329402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 305823 + ... + 305889.

Almost surely, 2^20492352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20492352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31348680).

20492352 is an abundant number, since it is smaller than the sum of its proper divisors (42205008).

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

20492352 is an equidigital number, since it uses as much as digits as its factorization.

20492352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20492352 is about 4526.8479099700. The cubic root of 20492352 is about 273.6511446401.

The spelling of 20492352 in words is "twenty million, four hundred ninety-two thousand, three hundred fifty-two".