20122023019 has 12 divisors (see below), whose sum is σ = 23418575400. Its totient is φ = 17239104288.

The previous prime is 20122022993. The next prime is 20122023029. The reversal of 20122023019 is 91032022102.

It is not a de Polignac number, because 20122023019 - 2⁷ = 20122022891 is a prime.

It is a super-2 number, since 2×20122023019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122023029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4072 + ... + 200650.

It is an arithmetic number, because the mean of its divisors is an integer number (1951547950).

Almost surely, 2^20122023019 is an apocalyptic number.

20122023019 is a deficient number, since it is larger than the sum of its proper divisors (3296552381).

20122023019 is a wasteful number, since it uses less digits than its factorization.

20122023019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198682 (or 198675 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 20122023019 in words is "twenty billion, one hundred twenty-two million, twenty-three thousand, nineteen".