120700020 has 96 divisors (see below), whose sum is σ = 390700800. Its totient is φ = 27270144.

The previous prime is 120700009. The next prime is 120700037. The reversal of 120700020 is 20007021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120699969 and 120700005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35766 + ... + 38994.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 2^120700020 is an apocalyptic number.

120700020 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 120700020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195350400).

120700020 is an abundant number, since it is smaller than the sum of its proper divisors (270000780).

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

120700020 is a wasteful number, since it uses less digits than its factorization.

120700020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 120700020 is about 10986.3560837978. The cubic root of 120700020 is about 494.1996657734.

Adding to 120700020 its reverse (20007021), we get a palindrome (140707041).

The spelling of 120700020 in words is "one hundred twenty million, seven hundred thousand, twenty".