2320021919 has 2 divisors, whose sum is σ = 2320021920. Its totient is φ = 2320021918.

The previous prime is 2320021901. The next prime is 2320022009. The reversal of 2320021919 is 9191200232.

2320021919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320021919 - 2²⁸ = 2051586463 is a prime.

It is a super-2 number, since 2×2320021919² = 10765003409280885122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2320021891 and 2320021900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320020919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160010959 + 1160010960.

It is an arithmetic number, because the mean of its divisors is an integer number (1160010960).

Almost surely, 2^2320021919 is an apocalyptic number.

2320021919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320021919 is an equidigital number, since it uses as much as digits as its factorization.

2320021919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2320021919 is about 48166.6058488659. The cubic root of 2320021919 is about 1323.8253586778.

The spelling of 2320021919 in words is "two billion, three hundred twenty million, twenty-one thousand, nine hundred nineteen".