20848153460 has 12 divisors (see below), whose sum is σ = 43781122308. Its totient is φ = 8339261376.

The previous prime is 20848153453. The next prime is 20848153481. The reversal of 20848153460 is 6435184802.

It can be written as a sum of positive squares in 2 ways, for example, as 7080885904 + 13767267556 = 84148^2 + 117334^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521203817 + ... + 521203856.

It is an arithmetic number, because the mean of its divisors is an integer number (3648426859).

Almost surely, 2^20848153460 is an apocalyptic number.

20848153460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20848153460 is an abundant number, since it is smaller than the sum of its proper divisors (22932968848).

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

20848153460 is a wasteful number, since it uses less digits than its factorization.

20848153460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042407682 (or 1042407680 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 20848153460 in words is "twenty billion, eight hundred forty-eight million, one hundred fifty-three thousand, four hundred sixty".