20081711843612 has 12 divisors (see below), whose sum is σ = 36670952062416. Its totient is φ = 9604296968640.

The previous prime is 20081711843603. The next prime is 20081711843621. The reversal of 20081711843612 is 21634811718002.

It is an interprime number because it is at equal distance from previous prime (20081711843603) and next prime (20081711843621).

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, 109139738189 + ... + 109139738372.

It is an arithmetic number, because the mean of its divisors is an integer number (3055912671868).

Almost surely, 2^{20081711843612} is an apocalyptic number.

It is an amenable number.

20081711843612 is a deficient number, since it is larger than the sum of its proper divisors (16589240218804).

20081711843612 is a wasteful number, since it uses less digits than its factorization.

20081711843612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218279476588 (or 218279476586 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 20081711843612 in words is "twenty trillion, eighty-one billion, seven hundred eleven million, eight hundred forty-three thousand, six hundred twelve".