20444232020 has 48 divisors (see below), whose sum is σ = 43869627648. Its totient is φ = 7999451520.

The previous prime is 20444231999. The next prime is 20444232041. The reversal of 20444232020 is 2023244402.

It is an interprime number because it is at equal distance from previous prime (20444231999) and next prime (20444232041).

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, 2224154 + ... + 2233326.

It is an arithmetic number, because the mean of its divisors is an integer number (913950576).

Almost surely, 2^20444232020 is an apocalyptic number.

20444232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444232020 is an abundant number, since it is smaller than the sum of its proper divisors (23425395628).

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

20444232020 is a wasteful number, since it uses less digits than its factorization.

20444232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600 (or 11598 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20444232020 its reverse (2023244402), we get a palindrome (22467476422).

The spelling of 20444232020 in words is "twenty billion, four hundred forty-four million, two hundred thirty-two thousand, twenty".