20847380950 has 24 divisors (see below), whose sum is σ = 42301232280. Its totient is φ = 7580865600.

The previous prime is 20847380947. The next prime is 20847380969. The reversal of 20847380950 is 5908374802.

20847380950 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20847380950² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20847380950.

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 11 ways as a sum of consecutive naturals, for example, 18951615 + ... + 18952714.

It is an arithmetic number, because the mean of its divisors is an integer number (1762551345).

Almost surely, 2^20847380950 is an apocalyptic number.

20847380950 is an abundant number, since it is smaller than the sum of its proper divisors (21453851330).

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

20847380950 is a wasteful number, since it uses less digits than its factorization.

20847380950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37904352 (or 37904347 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 20847380950 in words is "twenty billion, eight hundred forty-seven million, three hundred eighty thousand, nine hundred fifty".