20053364560 has 80 divisors (see below), whose sum is σ = 51964977600. Its totient is φ = 7152150528.

The previous prime is 20053364533. The next prime is 20053364581. The reversal of 20053364560 is 6546335002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 362190 + ... + 413869.

It is an arithmetic number, because the mean of its divisors is an integer number (649562220).

Almost surely, 2^20053364560 is an apocalyptic number.

20053364560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20053364560 is an abundant number, since it is smaller than the sum of its proper divisors (31911613040).

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

20053364560 is a wasteful number, since it uses less digits than its factorization.

20053364560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776108 (or 776102 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 20053364560 its reverse (6546335002), we get a palindrome (26599699562).

The spelling of 20053364560 in words is "twenty billion, fifty-three million, three hundred sixty-four thousand, five hundred sixty".