1923000020 has 48 divisors (see below), whose sum is σ = 4072617360. Its totient is φ = 762694656.

The previous prime is 1922999989. The next prime is 1923000047. The reversal of 1923000020 is 200003291.

It can be written as a sum of positive squares in 8 ways, for example, as 694217104 + 1228782916 = 26348^2 + 35054^2 .

It is a super-3 number, since 3×1923000020³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341224 + ... + 1342656.

It is an arithmetic number, because the mean of its divisors is an integer number (84846195).

Almost surely, 2^1923000020 is an apocalyptic number.

1923000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1923000020 is an abundant number, since it is smaller than the sum of its proper divisors (2149617340).

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

1923000020 is a wasteful number, since it uses less digits than its factorization.

1923000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1923000020 is about 43852.0241266010. The cubic root of 1923000020 is about 1243.5400099341.

The spelling of 1923000020 in words is "one billion, nine hundred twenty-three million, twenty", and thus it is an aban number.