22000020393 has 32 divisors (see below), whose sum is σ = 31943941120. Its totient is φ = 13387083840.

The previous prime is 22000020391. The next prime is 22000020437. The reversal of 22000020393 is 39302000022.

It is not a de Polignac number, because 22000020393 - 2¹ = 22000020391 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22000020391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2964858 + ... + 2972268.

It is an arithmetic number, because the mean of its divisors is an integer number (998248160).

Almost surely, 2^22000020393 is an apocalyptic number.

It is an amenable number.

22000020393 is a deficient number, since it is larger than the sum of its proper divisors (9943920727).

22000020393 is a wasteful number, since it uses less digits than its factorization.

22000020393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 648, while the sum is 21.

The spelling of 22000020393 in words is "twenty-two billion, twenty thousand, three hundred ninety-three".