108700020 has 288 divisors, whose sum is σ = 400667904. Its totient is φ = 23500800.

The previous prime is 108700019. The next prime is 108700027. The reversal of 108700020 is 20007801.

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 = 108699966 and 108700002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108700027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1055289 + ... + 1055391.

It is an arithmetic number, because the mean of its divisors is an integer number (1391208).

Almost surely, 2^108700020 is an apocalyptic number.

108700020 is a gapful number since it is divisible by the number (10) 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 108700020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200333952).

108700020 is an abundant number, since it is smaller than the sum of its proper divisors (291967884).

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

108700020 is a wasteful number, since it uses less digits than its factorization.

108700020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 108700020 is about 10425.9301743298. The cubic root of 108700020 is about 477.2470010128.

Adding to 108700020 its reverse (20007801), we get a palindrome (128707821).

The spelling of 108700020 in words is "one hundred eight million, seven hundred thousand, twenty".