20202220002 has 32 divisors (see below), whose sum is σ = 41505152832. Its totient is φ = 6550697664.

The previous prime is 20202219941. The next prime is 20202220009. The reversal of 20202220002 is 20002220202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202220002.

It is not an unprimeable number, because it can be changed into a prime (20202220009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090193 + ... + 2099835.

It is an arithmetic number, because the mean of its divisors is an integer number (1297036026).

Almost surely, 2^20202220002 is an apocalyptic number.

20202220002 is an abundant number, since it is smaller than the sum of its proper divisors (21302932830).

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

20202220002 is a wasteful number, since it uses less digits than its factorization.

20202220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19122.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202220002 its reverse (20002220202), we get a palindrome (40204440204).

The spelling of 20202220002 in words is "twenty billion, two hundred two million, two hundred twenty thousand, two".