22554343020 has 96 divisors (see below), whose sum is σ = 72945847296. Its totient is φ = 5146086400.

The previous prime is 22554343001. The next prime is 22554343051. The reversal of 22554343020 is 2034345522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993876 + ... + 1016315.

It is an arithmetic number, because the mean of its divisors is an integer number (759852576).

Almost surely, 2^22554343020 is an apocalyptic number.

22554343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22554343020 is an abundant number, since it is smaller than the sum of its proper divisors (50391504276).

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

22554343020 is a wasteful number, since it uses less digits than its factorization.

22554343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010231 (or 2010229 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 22554343020 its reverse (2034345522), we get a palindrome (24588688542).

The spelling of 22554343020 in words is "twenty-two billion, five hundred fifty-four million, three hundred forty-three thousand, twenty".