20242550500 has 48 divisors (see below), whose sum is σ = 45635885568. Its totient is φ = 7835820000.

The previous prime is 20242550453. The next prime is 20242550519. The reversal of 20242550500 is 505524202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 637486 + ... + 668485.

It is an arithmetic number, because the mean of its divisors is an integer number (950747616).

Almost surely, 2^20242550500 is an apocalyptic number.

20242550500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242550500 is an abundant number, since it is smaller than the sum of its proper divisors (25393335068).

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

20242550500 is a wasteful number, since it uses less digits than its factorization.

20242550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306021 (or 1306009 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 20242550500 in words is "twenty billion, two hundred forty-two million, five hundred fifty thousand, five hundred".