113545220220 has 36 divisors (see below), whose sum is σ = 344420501880. Its totient is φ = 30278725344.

The previous prime is 113545220213. The next prime is 113545220227. The reversal of 113545220220 is 22022545311.

113545220220 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 452 + 202 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (113545220213) and next prime (113545220227).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113545220227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315403210 + ... + 315403569.

Almost surely, 2^113545220220 is an apocalyptic number.

113545220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113545220220 is an abundant number, since it is smaller than the sum of its proper divisors (230875281660).

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

113545220220 is a wasteful number, since it uses less digits than its factorization.

113545220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630806794 (or 630806789 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 113545220220 its reverse (22022545311), we get a palindrome (135567765531).

The spelling of 113545220220 in words is "one hundred thirteen billion, five hundred forty-five million, two hundred twenty thousand, two hundred twenty".