10220532520 has 32 divisors (see below), whose sum is σ = 25086762720. Its totient is φ = 3716557120.

The previous prime is 10220532479. The next prime is 10220532523. The reversal of 10220532520 is 2523502201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10220532491 and 10220532500.

It is not an unprimeable number, because it can be changed into a prime (10220532523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11613802 + ... + 11614681.

It is an arithmetic number, because the mean of its divisors is an integer number (783961335).

Almost surely, 2^10220532520 is an apocalyptic number.

10220532520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220532520 is an abundant number, since it is smaller than the sum of its proper divisors (14866230200).

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

10220532520 is a wasteful number, since it uses less digits than its factorization.

10220532520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23228505 (or 23228501 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 10220532520 in words is "ten billion, two hundred twenty million, five hundred thirty-two thousand, five hundred twenty".