20081835810142 has 8 divisors (see below), whose sum is σ = 30404274778296. Its totient is φ = 9947077550712.

The previous prime is 20081835810133. The next prime is 20081835810161. The reversal of 20081835810142 is 24101853818002.

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

It is a super-3 number, since 3×20081835810142³ (a number of 41 digits) contains 333 as substring.

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, 46920176913 + ... + 46920177340.

It is an arithmetic number, because the mean of its divisors is an integer number (3800534347287).

Almost surely, 2^{20081835810142} is an apocalyptic number.

20081835810142 is a deficient number, since it is larger than the sum of its proper divisors (10322438968154).

20081835810142 is a wasteful number, since it uses less digits than its factorization.

20081835810142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93840354362.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 20081835810142 in words is "twenty trillion, eighty-one billion, eight hundred thirty-five million, eight hundred ten thousand, one hundred forty-two".