2312320201020 has 72 divisors (see below), whose sum is σ = 7016791017600. Its totient is φ = 616376691840.

The previous prime is 2312320200973. The next prime is 2312320201027. The reversal of 2312320201020 is 201020232132.

2312320201020 is a `hidden beast` number, since 2 + 312 + 320 + 2 + 0 + 10 + 20 = 666.

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 = 2312320200984 and 2312320201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312320201027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2061036 + ... + 2978675.

It is an arithmetic number, because the mean of its divisors is an integer number (97455430800).

Almost surely, 2^{2312320201020} is an apocalyptic number.

2312320201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312320201020 is an abundant number, since it is smaller than the sum of its proper divisors (4704470816580).

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

2312320201020 is a wasteful number, since it uses less digits than its factorization.

2312320201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042275 (or 5042270 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2312320201020 its reverse (201020232132), we get a palindrome (2513340433152).

The spelling of 2312320201020 in words is "two trillion, three hundred twelve billion, three hundred twenty million, two hundred one thousand, twenty".