20002220292 has 12 divisors (see below), whose sum is σ = 46671847376. Its totient is φ = 6667406760.

The previous prime is 20002220291. The next prime is 20002220347. The reversal of 20002220292 is 29202220002.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20002220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833425834 + ... + 833425857.

Almost surely, 2^20002220292 is an apocalyptic number.

It is an amenable number.

20002220292 is an abundant number, since it is smaller than the sum of its proper divisors (26669627084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002220292 is a wasteful number, since it uses less digits than its factorization.

20002220292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666851698 (or 1666851696 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20002220292 its reverse (29202220002), we get a palindrome (49204440294).

The spelling of 20002220292 in words is "twenty billion, two million, two hundred twenty thousand, two hundred ninety-two".