20352924 has 48 divisors (see below), whose sum is σ = 53088000. Its totient is φ = 6743088.

The previous prime is 20352919. The next prime is 20352947. The reversal of 20352924 is 42925302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21019 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (1106000).

Almost surely, 2^20352924 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 20352924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26544000).

20352924 is an abundant number, since it is smaller than the sum of its proper divisors (32735076).

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

20352924 is a wasteful number, since it uses less digits than its factorization.

20352924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1151 counting only the distinct ones).

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

The square root of 20352924 is about 4511.4215054681. The cubic root of 20352924 is about 273.0290996635.

The spelling of 20352924 in words is "twenty million, three hundred fifty-two thousand, nine hundred twenty-four".