1920012017 has 8 divisors (see below), whose sum is σ = 2393781312. Its totient is φ = 1496113200.

The previous prime is 1920012007. The next prime is 1920012131. The reversal of 1920012017 is 7102100291.

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

It is a cyclic number.

It is not a de Polignac number, because 1920012017 - 2⁶ = 1920011953 is a prime.

It is a super-2 number, since 2×1920012017² = 7372892290848816578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1920011983 and 1920012001.

It is not an unprimeable number, because it can be changed into a prime (1920012007) 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, 12467534 + ... + 12467687.

It is an arithmetic number, because the mean of its divisors is an integer number (299222664).

Almost surely, 2^1920012017 is an apocalyptic number.

It is an amenable number.

1920012017 is a deficient number, since it is larger than the sum of its proper divisors (473769295).

1920012017 is a wasteful number, since it uses less digits than its factorization.

1920012017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24935239.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1920012017 is about 43817.9417248232. The cubic root of 1920012017 is about 1242.8955954048.

The spelling of 1920012017 in words is "one billion, nine hundred twenty million, twelve thousand, seventeen".