20021020022010 has 128 divisors (see below), whose sum is σ = 56160519782400. Its totient is φ = 4473570067200.

The previous prime is 20021020021999. The next prime is 20021020022021. The reversal of 20021020022010 is 1022002012002.

It is an interprime number because it is at equal distance from previous prime (20021020021999) and next prime (20021020022021).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4298730 + ... + 7649909.

It is an arithmetic number, because the mean of its divisors is an integer number (438754060800).

Almost surely, 2^{20021020022010} is an apocalyptic number.

20021020022010 is an abundant number, since it is smaller than the sum of its proper divisors (36139499760390).

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

20021020022010 is a wasteful number, since it uses less digits than its factorization.

20021020022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948836.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20021020022010 its reverse (1022002012002), we get a palindrome (21043022034012).

The spelling of 20021020022010 in words is "twenty trillion, twenty-one billion, twenty million, twenty-two thousand, ten".