2001230342220 has 24 divisors (see below), whose sum is σ = 5603444958384. Its totient is φ = 533661424576.

The previous prime is 2001230342213. The next prime is 2001230342257. The reversal of 2001230342220 is 222430321002.

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, 16676919459 + ... + 16676919578.

It is an arithmetic number, because the mean of its divisors is an integer number (233476873266).

Almost surely, 2^{2001230342220} is an apocalyptic number.

2001230342220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001230342220 is an abundant number, since it is smaller than the sum of its proper divisors (3602214616164).

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

2001230342220 is a wasteful number, since it uses less digits than its factorization.

2001230342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33353839049 (or 33353839047 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2001230342220 its reverse (222430321002), we get a palindrome (2223660663222).

The spelling of 2001230342220 in words is "two trillion, one billion, two hundred thirty million, three hundred forty-two thousand, two hundred twenty".