1920915452 has 6 divisors (see below), whose sum is σ = 3361602048. Its totient is φ = 960457724.

The previous prime is 1920915431. The next prime is 1920915461. The reversal of 1920915452 is 2545190291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240114428 + ... + 240114435.

It is an arithmetic number, because the mean of its divisors is an integer number (560267008).

Almost surely, 2^1920915452 is an apocalyptic number.

It is an amenable number.

1920915452 is a deficient number, since it is larger than the sum of its proper divisors (1440686596).

1920915452 is a wasteful number, since it uses less digits than its factorization.

1920915452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480228867 (or 480228865 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1920915452 is about 43828.2494745113. The cubic root of 1920915452 is about 1243.0905072596.

The spelling of 1920915452 in words is "one billion, nine hundred twenty million, nine hundred fifteen thousand, four hundred fifty-two".