10025532220 has 24 divisors (see below), whose sum is σ = 22967583408. Its totient is φ = 3645648000.

The previous prime is 10025532217. The next prime is 10025532233. The reversal of 10025532220 is 2223552001.

It is a super-2 number, since 2×10025532220² (a number of 21 digits) contains 22 as substring.

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 = 10025532191 and 10025532200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22785081 + ... + 22785520.

It is an arithmetic number, because the mean of its divisors is an integer number (956982642).

Almost surely, 2^10025532220 is an apocalyptic number.

10025532220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10025532220 is an abundant number, since it is smaller than the sum of its proper divisors (12942051188).

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

10025532220 is a wasteful number, since it uses less digits than its factorization.

10025532220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45570621 (or 45570619 counting only the distinct ones).

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

It can be divided in two parts, 10025 and 532220, that added together give a palindrome (542245).

The spelling of 10025532220 in words is "ten billion, twenty-five million, five hundred thirty-two thousand, two hundred twenty".