20748324 has 24 divisors (see below), whose sum is σ = 48506080. Its totient is φ = 6902784.

The previous prime is 20748319. The next prime is 20748341. The reversal of 20748324 is 42384702.

It is a junction number, because it is equal to n+sod(n) for n = 20748291 and 20748300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6372 + ... + 9060.

Almost surely, 2^20748324 is an apocalyptic number.

It is an amenable number.

20748324 is an abundant number, since it is smaller than the sum of its proper divisors (27757756).

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

20748324 is a wasteful number, since it uses less digits than its factorization.

20748324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 20748324 is about 4555.0328209575. The cubic root of 20748324 is about 274.7858343564.

The spelling of 20748324 in words is "twenty million, seven hundred forty-eight thousand, three hundred twenty-four".