2000188773642 has 16 divisors (see below), whose sum is σ = 4068180557280. Its totient is φ = 655429089552.

The previous prime is 2000188773641. The next prime is 2000188773659. The reversal of 2000188773642 is 2463778810002.

It is a junction number, because it is equal to n+sod(n) for n = 2000188773591 and 2000188773600.

It is not an unprimeable number, because it can be changed into a prime (2000188773641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2825125033 + ... + 2825125740.

It is an arithmetic number, because the mean of its divisors is an integer number (254261284830).

Almost surely, 2^{2000188773642} is an apocalyptic number.

2000188773642 is an abundant number, since it is smaller than the sum of its proper divisors (2067991783638).

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

2000188773642 is a wasteful number, since it uses less digits than its factorization.

2000188773642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650250837.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 2000188773642 in words is "two trillion, one hundred eighty-eight million, seven hundred seventy-three thousand, six hundred forty-two".