20002219990 has 16 divisors (see below), whose sum is σ = 36053533152. Its totient is φ = 7989879744.

The previous prime is 20002219969. The next prime is 20002220057. The reversal of 20002219990 is 9991220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368399 + ... + 1382938.

It is an arithmetic number, because the mean of its divisors is an integer number (2253345822).

Almost surely, 2^20002219990 is an apocalyptic number.

20002219990 is a deficient number, since it is larger than the sum of its proper divisors (16051313162).

20002219990 is a wasteful number, since it uses less digits than its factorization.

20002219990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752071.

The product of its (nonzero) digits is 5832, while the sum is 34.

Adding to 20002219990 its reverse (9991220002), we get a palindrome (29993439992).

The spelling of 20002219990 in words is "twenty billion, two million, two hundred nineteen thousand, nine hundred ninety".