20336377308 has 24 divisors (see below), whose sum is σ = 51101666448. Its totient is φ = 6257346816.

The previous prime is 20336377249. The next prime is 20336377319. The reversal of 20336377308 is 80377363302.

It is a self number, because there is not a number n which added to its sum of digits gives 20336377308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65180541 + ... + 65180852.

It is an arithmetic number, because the mean of its divisors is an integer number (2129236102).

Almost surely, 2^20336377308 is an apocalyptic number.

It is an amenable number.

20336377308 is an abundant number, since it is smaller than the sum of its proper divisors (30765289140).

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

20336377308 is a wasteful number, since it uses less digits than its factorization.

20336377308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130361413 (or 130361411 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 20336377308 in words is "twenty billion, three hundred thirty-six million, three hundred seventy-seven thousand, three hundred eight".