20484552 has 64 divisors (see below), whose sum is σ = 57692160. Its totient is φ = 6004800.

The previous prime is 20484547. The next prime is 20484599. The reversal of 20484552 is 25548402.

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, 6933 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (901440).

Almost surely, 2^20484552 is an apocalyptic number.

20484552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20484552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28846080).

20484552 is an abundant number, since it is smaller than the sum of its proper divisors (37207608).

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

20484552 is a wasteful number, since it uses less digits than its factorization.

20484552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 20484552 is about 4525.9863013491. The cubic root of 20484552 is about 273.6164203065.

The spelling of 20484552 in words is "twenty million, four hundred eighty-four thousand, five hundred fifty-two".