10552515220 has 48 divisors (see below), whose sum is σ = 24447014928. Its totient is φ = 3801277440.

The previous prime is 10552515167. The next prime is 10552515229. The reversal of 10552515220 is 2251525501.

It can be written as a sum of positive squares in 8 ways, for example, as 1064586384 + 9487928836 = 32628^2 + 97406^2 .

It is a super-2 number, since 2×10552515220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10552515229) 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, 484299 + ... + 505618.

It is an arithmetic number, because the mean of its divisors is an integer number (509312811).

Almost surely, 2^10552515220 is an apocalyptic number.

10552515220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10552515220 is an abundant number, since it is smaller than the sum of its proper divisors (13894499708).

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

10552515220 is a wasteful number, since it uses less digits than its factorization.

10552515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989980 (or 989978 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 10552515220 in words is "ten billion, five hundred fifty-two million, five hundred fifteen thousand, two hundred twenty".