20258336308 has 48 divisors (see below), whose sum is σ = 40771584000. Its totient is φ = 8627620320.

The previous prime is 20258336249. The next prime is 20258336317. The reversal of 20258336308 is 80363385202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8443293 + ... + 8445691.

It is an arithmetic number, because the mean of its divisors is an integer number (849408000).

Almost surely, 2^20258336308 is an apocalyptic number.

20258336308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20258336308 is an abundant number, since it is smaller than the sum of its proper divisors (20513247692).

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

20258336308 is a wasteful number, since it uses less digits than its factorization.

20258336308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 20258336308 in words is "twenty billion, two hundred fifty-eight million, three hundred thirty-six thousand, three hundred eight".