20021011202210 has 8 divisors (see below), whose sum is σ = 36037820163996. Its totient is φ = 8008404480880.

The previous prime is 20021011202207. The next prime is 20021011202263. The reversal of 20021011202210 is 1220211012002.

It can be written as a sum of positive squares in 2 ways, for example, as 18796759683529 + 1224251518681 = 4335523^2 + 1106459^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001050560101 + ... + 1001050560120.

Almost surely, 2^{20021011202210} is an apocalyptic number.

20021011202210 is a deficient number, since it is larger than the sum of its proper divisors (16016808961786).

20021011202210 is a wasteful number, since it uses less digits than its factorization.

20021011202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002101120228.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021011202210 its reverse (1220211012002), we get a palindrome (21241222214212).

The spelling of 20021011202210 in words is "twenty trillion, twenty-one billion, eleven million, two hundred two thousand, two hundred ten".