20052390288 has 160 divisors (see below), whose sum is σ = 61924608000. Its totient is φ = 5467004928.

The previous prime is 20052390287. The next prime is 20052390301. The reversal of 20052390288 is 88209325002.

It is not an unprimeable number, because it can be changed into a prime (20052390287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3466983 + ... + 3472761.

It is an arithmetic number, because the mean of its divisors is an integer number (387028800).

Almost surely, 2^20052390288 is an apocalyptic number.

20052390288 is a gapful number since it is divisible by the number (28) 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 20052390288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30962304000).

20052390288 is an abundant number, since it is smaller than the sum of its proper divisors (41872217712).

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

20052390288 is a wasteful number, since it uses less digits than its factorization.

20052390288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 20052390288 in words is "twenty billion, fifty-two million, three hundred ninety thousand, two hundred eighty-eight".