1920453120 has 480 divisors, whose sum is σ = 7238911680. Its totient is φ = 468910080.

The previous prime is 1920453113. The next prime is 1920453133. The reversal of 1920453120 is 213540291.

1920453120 is a `hidden beast` number, since 1 + 92 + 0 + 453 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×1920453120² = 7376280372235468800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17948107 + ... + 17948213.

It is an arithmetic number, because the mean of its divisors is an integer number (15081066).

Almost surely, 2^1920453120 is an apocalyptic number.

1920453120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3619455840).

1920453120 is an abundant number, since it is smaller than the sum of its proper divisors (5318458560).

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

1920453120 is a wasteful number, since it uses less digits than its factorization.

1920453120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1920453120 is about 43822.9747963326. The cubic root of 1920453120 is about 1242.9907689405.

The spelling of 1920453120 in words is "one billion, nine hundred twenty million, four hundred fifty-three thousand, one hundred twenty".