20250531035020 has 144 divisors (see below), whose sum is σ = 50349497605344. Its totient is φ = 6795996134400.

The previous prime is 20250531035017. The next prime is 20250531035039. The reversal of 20250531035020 is 2053013505202.

It is a self number, because there is not a number n which added to its sum of digits gives 20250531035020.

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, 160603200 + ... + 160729240.

It is an arithmetic number, because the mean of its divisors is an integer number (349649288926).

Almost surely, 2^{20250531035020} is an apocalyptic number.

20250531035020 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 20250531035020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25174748802672).

20250531035020 is an abundant number, since it is smaller than the sum of its proper divisors (30098966570324).

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

20250531035020 is a wasteful number, since it uses less digits than its factorization.

20250531035020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131192 (or 131179 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 20250531035020 in words is "twenty trillion, two hundred fifty billion, five hundred thirty-one million, thirty-five thousand, twenty".