22102132550520 has 128 divisors (see below), whose sum is σ = 72398326176000. Its totient is φ = 5353346503680.

The previous prime is 22102132550507. The next prime is 22102132550569. The reversal of 22102132550520 is 2505523120122.

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

It is a congruent number.

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, 5925150 + ... + 8905709.

It is an arithmetic number, because the mean of its divisors is an integer number (565611923250).

Almost surely, 2^{22102132550520} is an apocalyptic number.

22102132550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102132550520 is an abundant number, since it is smaller than the sum of its proper divisors (50296193625480).

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

22102132550520 is a wasteful number, since it uses less digits than its factorization.

22102132550520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832013 (or 14832009 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22102132550520 its reverse (2505523120122), we get a palindrome (24607655670642).

The spelling of 22102132550520 in words is "twenty-two trillion, one hundred two billion, one hundred thirty-two million, five hundred fifty thousand, five hundred twenty".