10520112240 has 120 divisors (see below), whose sum is σ = 38541894768. Its totient is φ = 2550328320.

The previous prime is 10520112179. The next prime is 10520112257. The reversal of 10520112240 is 4221102501.

10520112240 is a `hidden beast` number, since 10 + 520 + 112 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×10520112240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656229 + ... + 672068.

Almost surely, 2^10520112240 is an apocalyptic number.

10520112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520112240 is an abundant number, since it is smaller than the sum of its proper divisors (28021782528).

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

10520112240 is a wasteful number, since it uses less digits than its factorization.

10520112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328327 (or 1328318 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10520112240 its reverse (4221102501), we get a palindrome (14741214741).

It can be divided in two parts, 10520 and 112240, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 10520112240 in words is "ten billion, five hundred twenty million, one hundred twelve thousand, two hundred forty".