20283553080 has 192 divisors, whose sum is σ = 75396484800. Its totient is φ = 4632698880.

The previous prime is 20283553063. The next prime is 20283553093. The reversal of 20283553080 is 8035538202.

20283553080 is a `hidden beast` number, since 2 + 0 + 28 + 3 + 553 + 0 + 80 = 666.

It is a super-2 number, since 2×20283553080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4758150 + ... + 4762410.

It is an arithmetic number, because the mean of its divisors is an integer number (392690025).

Almost surely, 2^20283553080 is an apocalyptic number.

20283553080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20283553080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37698242400).

20283553080 is an abundant number, since it is smaller than the sum of its proper divisors (55112931720).

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

20283553080 is a wasteful number, since it uses less digits than its factorization.

20283553080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6167 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 20283553080 in words is "twenty billion, two hundred eighty-three million, five hundred fifty-three thousand, eighty".