1920150309 has 48 divisors (see below), whose sum is σ = 3272693760. Its totient is φ = 990188640.

The previous prime is 1920150299. The next prime is 1920150319. The reversal of 1920150309 is 9030510291.

1920150309 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1920150299) and next prime (1920150319).

It is not a de Polignac number, because 1920150309 - 2⁴ = 1920150293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920150319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220492 + ... + 229034.

It is an arithmetic number, because the mean of its divisors is an integer number (68181120).

Almost surely, 2^1920150309 is an apocalyptic number.

It is an amenable number.

1920150309 is a deficient number, since it is larger than the sum of its proper divisors (1352543451).

1920150309 is a wasteful number, since it uses less digits than its factorization.

1920150309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710 (or 8703 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1920150309 is about 43819.5197258026. The cubic root of 1920150309 is about 1242.9254352165.

The spelling of 1920150309 in words is "one billion, nine hundred twenty million, one hundred fifty thousand, three hundred nine".