20223001619 has 2 divisors, whose sum is σ = 20223001620. Its totient is φ = 20223001618.

The previous prime is 20223001583. The next prime is 20223001691. The reversal of 20223001619 is 91610032202.

Together with next prime (20223001691) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20223001619 - 2⁸ = 20223001363 is a prime.

It is a super-2 number, since 2×20223001619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20225001619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111500809 + 10111500810.

It is an arithmetic number, because the mean of its divisors is an integer number (10111500810).

Almost surely, 2^20223001619 is an apocalyptic number.

20223001619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223001619 is an equidigital number, since it uses as much as digits as its factorization.

20223001619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20223001619 in words is "twenty billion, two hundred twenty-three million, one thousand, six hundred nineteen".