20402300986 has 8 divisors (see below), whose sum is σ = 30604058100. Its totient is φ = 10200948288.

The previous prime is 20402300983. The next prime is 20402300999. The reversal of 20402300986 is 68900320402.

It can be written as a sum of positive squares in 2 ways, for example, as 20401837225 + 463761 = 142835^2 + 681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20402300983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140290 + ... + 245938.

Almost surely, 2^20402300986 is an apocalyptic number.

20402300986 is a deficient number, since it is larger than the sum of its proper divisors (10201757114).

20402300986 is a wasteful number, since it uses less digits than its factorization.

20402300986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202208.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 20402300986 in words is "twenty billion, four hundred two million, three hundred thousand, nine hundred eighty-six".