22075507820 has 48 divisors (see below), whose sum is σ = 47510348256. Its totient is φ = 8611008000.

The previous prime is 22075507813. The next prime is 22075507823. The reversal of 22075507820 is 2870557022.

It is not an unprimeable number, because it can be changed into a prime (22075507823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464550 + ... + 2473490.

It is an arithmetic number, because the mean of its divisors is an integer number (989798922).

Almost surely, 2^22075507820 is an apocalyptic number.

22075507820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22075507820 is an abundant number, since it is smaller than the sum of its proper divisors (25434840436).

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

22075507820 is a wasteful number, since it uses less digits than its factorization.

22075507820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002 (or 12000 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 22075507820 in words is "twenty-two billion, seventy-five million, five hundred seven thousand, eight hundred twenty".