20422367019 has 12 divisors (see below), whose sum is σ = 31234208616. Its totient is φ = 12814034112.

The previous prime is 20422366973. The next prime is 20422367051. The reversal of 20422367019 is 91076322402.

It is not a de Polignac number, because 20422367019 - 2⁸ = 20422366763 is a prime.

It is a super-2 number, since 2×20422367019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20422367059) 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, 66739609 + ... + 66739914.

It is an arithmetic number, because the mean of its divisors is an integer number (2602850718).

Almost surely, 2^20422367019 is an apocalyptic number.

20422367019 is a deficient number, since it is larger than the sum of its proper divisors (10811841597).

20422367019 is a wasteful number, since it uses less digits than its factorization.

20422367019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133479546 (or 133479543 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 20422367019 in words is "twenty billion, four hundred twenty-two million, three hundred sixty-seven thousand, nineteen".