1930202120 has 96 divisors (see below), whose sum is σ = 5511343680. Its totient is φ = 601614720.

The previous prime is 1930202093. The next prime is 1930202137. The reversal of 1930202120 is 212020391.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1930202092 and 1930202101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23204 + ... + 66323.

It is an arithmetic number, because the mean of its divisors is an integer number (57409830).

Almost surely, 2^1930202120 is an apocalyptic number.

1930202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930202120 is an abundant number, since it is smaller than the sum of its proper divisors (3581141560).

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

1930202120 is a wasteful number, since it uses less digits than its factorization.

1930202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89563 (or 89552 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1930202120 is about 43934.0655983486. The cubic root of 1930202120 is about 1245.0905285161.

The spelling of 1930202120 in words is "one billion, nine hundred thirty million, two hundred two thousand, one hundred twenty".