22401002020 has 48 divisors (see below), whose sum is σ = 47663985600. Its totient is φ = 8842608000.

The previous prime is 22401001969. The next prime is 22401002069. The reversal of 22401002020 is 2020010422.

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, 526711 + ... + 567649.

It is an arithmetic number, because the mean of its divisors is an integer number (992999700).

Almost surely, 2^22401002020 is an apocalyptic number.

22401002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401002020 is an abundant number, since it is smaller than the sum of its proper divisors (25262983580).

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

22401002020 is a wasteful number, since it uses less digits than its factorization.

22401002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41308 (or 41306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22401002020 its reverse (2020010422), we get a palindrome (24421012442).

The spelling of 22401002020 in words is "twenty-two billion, four hundred one million, two thousand, twenty".