20044470 has 32 divisors (see below), whose sum is σ = 48467808. Its totient is φ = 5305088.

The previous prime is 20044463. The next prime is 20044499. The reversal of 20044470 is 7444002.

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, 1672 + ... + 6548.

It is an arithmetic number, because the mean of its divisors is an integer number (1514619).

Almost surely, 2^20044470 is an apocalyptic number.

20044470 is an abundant number, since it is smaller than the sum of its proper divisors (28423338).

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

20044470 is a wasteful number, since it uses less digits than its factorization.

20044470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 20044470 is about 4477.1050914626. The cubic root of 20044470 is about 271.6427963185.

Adding to 20044470 its reverse (7444002), we get a palindrome (27488472).

The spelling of 20044470 in words is "twenty million, forty-four thousand, four hundred seventy".