201001123032320 has 72 divisors (see below), whose sum is σ = 518495925826536. Its totient is φ = 74215799267328.

The previous prime is 201001123032299. The next prime is 201001123032401. The reversal of 201001123032320 is 23230321100102.

It can be written as a sum of positive squares in 4 ways, for example, as 130142005504 + 200870981026816 = 360752^2 + 14172896^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201001123032292 and 201001123032301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6039680567 + ... + 6039713846.

Almost surely, 2^{201001123032320} is an apocalyptic number.

201001123032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001123032320 is an abundant number, since it is smaller than the sum of its proper divisors (317494802794216).

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

201001123032320 is a wasteful number, since it uses less digits than its factorization.

201001123032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12079394447 (or 12079394433 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201001123032320 its reverse (23230321100102), we get a palindrome (224231444132422).

The spelling of 201001123032320 in words is "two hundred one trillion, one billion, one hundred twenty-three million, thirty-two thousand, three hundred twenty".