20009182020202 has 8 divisors (see below), whose sum is σ = 30013803250596. Its totient is φ = 10004580936672.

The previous prime is 20009182020197. The next prime is 20009182020301. The reversal of 20009182020202 is 20202028190002.

It can be written as a sum of positive squares in 2 ways, for example, as 20007916866441 + 1265153761 = 4473021^2 + 35569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20009182020202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244133 + ... + 6712264.

Almost surely, 2^{20009182020202} is an apocalyptic number.

20009182020202 is a deficient number, since it is larger than the sum of its proper divisors (10004621230394).

20009182020202 is a wasteful number, since it uses less digits than its factorization.

20009182020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073432.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 20009182020202 in words is "twenty trillion, nine billion, one hundred eighty-two million, twenty thousand, two hundred two".