1920000920 has 32 divisors (see below), whose sum is σ = 4547372400. Its totient is φ = 727579008.

The previous prime is 1920000919. The next prime is 1920000947. The reversal of 1920000920 is 290000291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262399 + ... + 1263918.

Almost surely, 2^1920000920 is an apocalyptic number.

1920000920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1920000920 is an abundant number, since it is smaller than the sum of its proper divisors (2627371480).

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

1920000920 is a wasteful number, since it uses less digits than its factorization.

1920000920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526347 (or 2526343 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1920000920 is about 43817.8150984277. The cubic root of 1920000920 is about 1242.8932008991.

The spelling of 1920000920 in words is "one billion, nine hundred twenty million, nine hundred twenty", and thus it is an aban number.