2001531762230 has 128 divisors (see below), whose sum is σ = 4843676759040. Its totient is φ = 575102384640.

The previous prime is 2001531762199. The next prime is 2001531762239. The reversal of 2001531762230 is 322671351002.

It is a super-2 number, since 2×2001531762230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001531762239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7445501 + ... + 7709639.

It is an arithmetic number, because the mean of its divisors is an integer number (37841224680).

Almost surely, 2^{2001531762230} is an apocalyptic number.

2001531762230 is an abundant number, since it is smaller than the sum of its proper divisors (2842144996810).

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

2001531762230 is a wasteful number, since it uses less digits than its factorization.

2001531762230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264934.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 2001531762230 in words is "two trillion, one billion, five hundred thirty-one million, seven hundred sixty-two thousand, two hundred thirty".