113120142020 has 12 divisors (see below), whose sum is σ = 237552298284. Its totient is φ = 45248056800.

The previous prime is 113120141999. The next prime is 113120142041. The reversal of 113120142020 is 20241021311.

It is an interprime number because it is at equal distance from previous prime (113120141999) and next prime (113120142041).

It can be written as a sum of positive squares in 2 ways, for example, as 23943848644 + 89176293376 = 154738^2 + 298624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113120142020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828003531 + ... + 2828003570.

It is an arithmetic number, because the mean of its divisors is an integer number (19796024857).

Almost surely, 2^113120142020 is an apocalyptic number.

113120142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113120142020 is an abundant number, since it is smaller than the sum of its proper divisors (124432156264).

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

113120142020 is a wasteful number, since it uses less digits than its factorization.

113120142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656007110 (or 5656007108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 113120142020 its reverse (20241021311), we get a palindrome (133361163331).

The spelling of 113120142020 in words is "one hundred thirteen billion, one hundred twenty million, one hundred forty-two thousand, twenty".