320132113020 has 144 divisors (see below), whose sum is σ = 1057424004000. Its totient is φ = 78086647296.

The previous prime is 320132113009. The next prime is 320132113031. The reversal of 320132113020 is 20311231023.

320132113020 is a `hidden beast` number, since 320 + 1 + 32 + 11 + 302 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (320132113009) and next prime (320132113031).

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

It is a junction number, because it is equal to n+sod(n) for n = 320132112984 and 320132113002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1514715 + ... + 1713074.

It is an arithmetic number, because the mean of its divisors is an integer number (7343222250).

Almost surely, 2^320132113020 is an apocalyptic number.

320132113020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320132113020 is an abundant number, since it is smaller than the sum of its proper divisors (737291890980).

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

320132113020 is a wasteful number, since it uses less digits than its factorization.

320132113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227852 (or 3227847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320132113020 its reverse (20311231023), we get a palindrome (340443344043).

The spelling of 320132113020 in words is "three hundred twenty billion, one hundred thirty-two million, one hundred thirteen thousand, twenty".