20311166341142 has 8 divisors (see below), whose sum is σ = 30529309573776. Its totient is φ = 10134729816552.

The previous prime is 20311166341139. The next prime is 20311166341243. The reversal of 20311166341142 is 24114366111302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10426675793 + ... + 10426677740.

It is an arithmetic number, because the mean of its divisors is an integer number (3816163696722).

Almost surely, 2^{20311166341142} is an apocalyptic number.

20311166341142 is a deficient number, since it is larger than the sum of its proper divisors (10218143232634).

20311166341142 is a wasteful number, since it uses less digits than its factorization.

20311166341142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20853354022.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 20311166341142 in words is "twenty trillion, three hundred eleven billion, one hundred sixty-six million, three hundred forty-one thousand, one hundred forty-two".