20142656666232 has 32 divisors (see below), whose sum is σ = 50358776928000. Its totient is φ = 6713934187104.

The previous prime is 20142656666221. The next prime is 20142656666239. The reversal of 20142656666232 is 23266665624102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142656666239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17215678 + ... + 18348429.

It is an arithmetic number, because the mean of its divisors is an integer number (1573711779000).

Almost surely, 2^{20142656666232} is an apocalyptic number.

It is an amenable number.

20142656666232 is an abundant number, since it is smaller than the sum of its proper divisors (30216120261768).

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

20142656666232 is a wasteful number, since it uses less digits than its factorization.

20142656666232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35587715 (or 35587711 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 20142656666232 in words is "twenty trillion, one hundred forty-two billion, six hundred fifty-six million, six hundred sixty-six thousand, two hundred thirty-two".