20360254560 has 48 divisors (see below), whose sum is σ = 64134803376. Its totient is φ = 5429401088.

The previous prime is 20360254553. The next prime is 20360254597. The reversal of 20360254560 is 6545206302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208119 + ... + 21209078.

It is an arithmetic number, because the mean of its divisors is an integer number (1336141737).

Almost surely, 2^20360254560 is an apocalyptic number.

20360254560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20360254560 is an abundant number, since it is smaller than the sum of its proper divisors (43774548816).

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

20360254560 is a wasteful number, since it uses less digits than its factorization.

20360254560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42417215 (or 42417207 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 20360254560 in words is "twenty billion, three hundred sixty million, two hundred fifty-four thousand, five hundred sixty".