1930193020 has 48 divisors (see below), whose sum is σ = 4792213440. Its totient is φ = 638959104.

The previous prime is 1930192993. The next prime is 1930193047. The reversal of 1930193020 is 203910391.

It is an interprime number because it is at equal distance from previous prime (1930192993) and next prime (1930193047).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1930193020.

It is a congruent number.

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, 233649 + ... + 241768.

It is an arithmetic number, because the mean of its divisors is an integer number (99837780).

Almost surely, 2^1930193020 is an apocalyptic number.

1930193020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930193020 is an abundant number, since it is smaller than the sum of its proper divisors (2862020420).

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

1930193020 is a wasteful number, since it uses less digits than its factorization.

1930193020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475462 (or 475460 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1930193020 is about 43933.9620339436. The cubic root of 1930193020 is about 1245.0885718399.

The spelling of 1930193020 in words is "one billion, nine hundred thirty million, one hundred ninety-three thousand, twenty".