20552038760 has 96 divisors (see below), whose sum is σ = 51690290400. Its totient is φ = 7346697600.

The previous prime is 20552038757. The next prime is 20552038831. The reversal of 20552038760 is 6783025502.

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 23 ways as a sum of consecutive naturals, for example, 249575 + ... + 321545.

It is an arithmetic number, because the mean of its divisors is an integer number (538440525).

Almost surely, 2^20552038760 is an apocalyptic number.

20552038760 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 20552038760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25845145200).

20552038760 is an abundant number, since it is smaller than the sum of its proper divisors (31138251640).

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

20552038760 is a wasteful number, since it uses less digits than its factorization.

20552038760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72063 (or 72048 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 20552038760 in words is "twenty billion, five hundred fifty-two million, thirty-eight thousand, seven hundred sixty".