20202223312002 has 32 divisors (see below), whose sum is σ = 42627878092800. Its totient is φ = 6365117220048.

The previous prime is 20202223311979. The next prime is 20202223312069. The reversal of 20202223312002 is 20021332220202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202223312002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201786498 + ... + 201886589.

It is an arithmetic number, because the mean of its divisors is an integer number (1332121190400).

Almost surely, 2^{20202223312002} is an apocalyptic number.

20202223312002 is an abundant number, since it is smaller than the sum of its proper divisors (22425654780798).

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

20202223312002 is a wasteful number, since it uses less digits than its factorization.

20202223312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403673550.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20202223312002 its reverse (20021332220202), we get a palindrome (40223555532204).

The spelling of 20202223312002 in words is "twenty trillion, two hundred two billion, two hundred twenty-three million, three hundred twelve thousand, two".