20034877686 has 16 divisors (see below), whose sum is σ = 40072094400. Its totient is φ = 6677902728.

The previous prime is 20034877649. The next prime is 20034877699. The reversal of 20034877686 is 68677843002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25905 + ... + 201843.

It is an arithmetic number, because the mean of its divisors is an integer number (2504505900).

Almost surely, 2^20034877686 is an apocalyptic number.

20034877686 is an abundant number, since it is smaller than the sum of its proper divisors (20037216714).

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

20034877686 is a wasteful number, since it uses less digits than its factorization.

20034877686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194923.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 20034877686 in words is "twenty billion, thirty-four million, eight hundred seventy-seven thousand, six hundred eighty-six".