20025541500 has 48 divisors (see below), whose sum is σ = 58314381216. Its totient is φ = 5340144000.

The previous prime is 20025541489. The next prime is 20025541517. The reversal of 20025541500 is 514552002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6673681 + ... + 6676680.

It is an arithmetic number, because the mean of its divisors is an integer number (1214882942).

Almost surely, 2^20025541500 is an apocalyptic number.

20025541500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20025541500 is an abundant number, since it is smaller than the sum of its proper divisors (38288839716).

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

20025541500 is a wasteful number, since it uses less digits than its factorization.

20025541500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350383 (or 13350371 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 20025541500 in words is "twenty billion, twenty-five million, five hundred forty-one thousand, five hundred".