1920039051 has 8 divisors (see below), whose sum is σ = 2925773824. Its totient is φ = 1097165160.

The previous prime is 1920039029. The next prime is 1920039059. The reversal of 1920039051 is 1509300291.

1920039051 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1920039051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920039059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45715195 + ... + 45715236.

It is an arithmetic number, because the mean of its divisors is an integer number (365721728).

Almost surely, 2^1920039051 is an apocalyptic number.

1920039051 is a deficient number, since it is larger than the sum of its proper divisors (1005734773).

1920039051 is an equidigital number, since it uses as much as digits as its factorization.

1920039051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91430441.

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

The square root of 1920039051 is about 43818.2502046807. The cubic root of 1920039051 is about 1242.9014287506.

The spelling of 1920039051 in words is "one billion, nine hundred twenty million, thirty-nine thousand, fifty-one".