20479152 has 40 divisors (see below), whose sum is σ = 56018736. Its totient is φ = 6424576.

The previous prime is 20479141. The next prime is 20479159. The reversal of 20479152 is 25197402.

It is not an unprimeable number, because it can be changed into a prime (20479159) 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, 11733 + ... + 13364.

Almost surely, 2^20479152 is an apocalyptic number.

It is an amenable number.

20479152 is an abundant number, since it is smaller than the sum of its proper divisors (35539584).

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

20479152 is a wasteful number, since it uses less digits than its factorization.

20479152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25125 (or 25119 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 20479152 is about 4525.3897069755. The cubic root of 20479152 is about 273.5923752193.

The spelling of 20479152 in words is "twenty million, four hundred seventy-nine thousand, one hundred fifty-two".