1920868292 has 48 divisors (see below), whose sum is σ = 3921310848. Its totient is φ = 806319360.

The previous prime is 1920868291. The next prime is 1920868319. The reversal of 1920868292 is 2928680291.

1920868292 is a modest number, since divided by 68292 gives 19208 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1920868291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336728 + ... + 342384.

It is an arithmetic number, because the mean of its divisors is an integer number (81693976).

Almost surely, 2^1920868292 is an apocalyptic number.

It is an amenable number.

1920868292 is an abundant number, since it is smaller than the sum of its proper divisors (2000442556).

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

1920868292 is a wasteful number, since it uses less digits than its factorization.

1920868292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5914 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1920868292 is about 43827.7114620419. The cubic root of 1920868292 is about 1243.0803342233.

The spelling of 1920868292 in words is "one billion, nine hundred twenty million, eight hundred sixty-eight thousand, two hundred ninety-two".