20001020222010 has 128 divisors (see below), whose sum is σ = 52552933539840. Its totient is φ = 4856201222400.

The previous prime is 20001020221993. The next prime is 20001020222021. The reversal of 20001020222010 is 1022202010002.

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, 6359670 + ... + 8969249.

It is an arithmetic number, because the mean of its divisors is an integer number (410569793280).

Almost surely, 2^{20001020222010} is an apocalyptic number.

20001020222010 is an abundant number, since it is smaller than the sum of its proper divisors (32551913317830).

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

20001020222010 is a wasteful number, since it uses less digits than its factorization.

20001020222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329044.

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

Adding to 20001020222010 its reverse (1022202010002), we get a palindrome (21023222232012).

The spelling of 20001020222010 in words is "twenty trillion, one billion, twenty million, two hundred twenty-two thousand, ten".