100143025020 has 72 divisors (see below), whose sum is σ = 310230333504. Its totient is φ = 26136617088.

The previous prime is 100143025001. The next prime is 100143025039. The reversal of 100143025020 is 20520341001.

It is an interprime number because it is at equal distance from previous prime (100143025001) and next prime (100143025039).

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

It is a junction number, because it is equal to n+sod(n) for n = 100143024984 and 100143025002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5910159 + ... + 5927078.

It is an arithmetic number, because the mean of its divisors is an integer number (4308754632).

Almost surely, 2^100143025020 is an apocalyptic number.

100143025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100143025020 is an abundant number, since it is smaller than the sum of its proper divisors (210087308484).

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

100143025020 is a wasteful number, since it uses less digits than its factorization.

100143025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837299 (or 11837294 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 100143025020 its reverse (20520341001), we get a palindrome (120663366021).

The spelling of 100143025020 in words is "one hundred billion, one hundred forty-three million, twenty-five thousand, twenty".