20384802 has 24 divisors (see below), whose sum is σ = 46765836. Its totient is φ = 6395136.

The previous prime is 20384789. The next prime is 20384809. The reversal of 20384802 is 20848302.

It can be written as a sum of positive squares in 2 ways, for example, as 19263321 + 1121481 = 4389^2 + 1059^2 .

It is not an unprimeable number, because it can be changed into a prime (20384809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33003 + ... + 33614.

Almost surely, 2^20384802 is an apocalyptic number.

20384802 is an abundant number, since it is smaller than the sum of its proper divisors (26381034).

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

20384802 is a wasteful number, since it uses less digits than its factorization.

20384802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66642 (or 66639 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20384802 is about 4514.9531559032. The cubic root of 20384802 is about 273.1715702906.

The spelling of 20384802 in words is "twenty million, three hundred eighty-four thousand, eight hundred two".