20538283086 has 24 divisors (see below), whose sum is σ = 44695655784. Its totient is φ = 6815934000.

The previous prime is 20538283063. The next prime is 20538283133. The reversal of 20538283086 is 68038283502.

20538283086 is a `hidden beast` number, since 2 + 0 + 538 + 2 + 8 + 30 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2509165 + ... + 2517336.

It is an arithmetic number, because the mean of its divisors is an integer number (1862318991).

Almost surely, 2^20538283086 is an apocalyptic number.

20538283086 is an abundant number, since it is smaller than the sum of its proper divisors (24157372698).

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

20538283086 is a wasteful number, since it uses less digits than its factorization.

20538283086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026736 (or 5026733 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 20538283086 in words is "twenty billion, five hundred thirty-eight million, two hundred eighty-three thousand, eighty-six".