20027520000 has 880 divisors, whose sum is σ = 79295867200. Its totient is φ = 4976640000.

The previous prime is 20027519947. The next prime is 20027520011. The reversal of 20027520000 is 2572002.

It is a happy number.

It is a super-2 number, since 2×20027520000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 328319970 + ... + 328320030.

It is an arithmetic number, because the mean of its divisors is an integer number (90108940).

Almost surely, 2^20027520000 is an apocalyptic number.

20027520000 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 20027520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39647933600).

20027520000 is an abundant number, since it is smaller than the sum of its proper divisors (59268347200).

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

20027520000 is an equidigital number, since it uses as much as digits as its factorization.

20027520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The spelling of 20027520000 in words is "twenty billion, twenty-seven million, five hundred twenty thousand".