2001023400202 has 16 divisors (see below), whose sum is σ = 3104518620672. Its totient is φ = 966312189360.

The previous prime is 2001023400193. The next prime is 2001023400281. The reversal of 2001023400202 is 2020043201002.

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, 32050893 + ... + 32113264.

It is an arithmetic number, because the mean of its divisors is an integer number (194032413792).

Almost surely, 2^{2001023400202} is an apocalyptic number.

2001023400202 is a deficient number, since it is larger than the sum of its proper divisors (1103495220470).

2001023400202 is a wasteful number, since it uses less digits than its factorization.

2001023400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64164693.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 2001023400202 its reverse (2020043201002), we get a palindrome (4021066601204).

The spelling of 2001023400202 in words is "two trillion, one billion, twenty-three million, four hundred thousand, two hundred two".