20586908852 has 6 divisors (see below), whose sum is σ = 36027090498. Its totient is φ = 10293454424.

The previous prime is 20586908843. The next prime is 20586908869. The reversal of 20586908852 is 25880968502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12182419876 + 8404488976 = 110374^2 + 91676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20586908794 and 20586908803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573363603 + ... + 2573363610.

It is an arithmetic number, because the mean of its divisors is an integer number (6004515083).

Almost surely, 2^20586908852 is an apocalyptic number.

It is an amenable number.

20586908852 is a deficient number, since it is larger than the sum of its proper divisors (15440181646).

20586908852 is a wasteful number, since it uses less digits than its factorization.

20586908852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146727217 (or 5146727215 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 20586908852 in words is "twenty billion, five hundred eighty-six million, nine hundred eight thousand, eight hundred fifty-two".