20011022201010 has 64 divisors (see below), whose sum is σ = 50626279566720. Its totient is φ = 5048204313600.

The previous prime is 20011022200973. The next prime is 20011022201011. The reversal of 20011022201010 is 1010222011002.

It is not an unprimeable number, because it can be changed into a prime (20011022201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24641127 + ... + 25440266.

It is an arithmetic number, because the mean of its divisors is an integer number (791035618230).

Almost surely, 2^{20011022201010} is an apocalyptic number.

20011022201010 is an abundant number, since it is smaller than the sum of its proper divisors (30615257365710).

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

20011022201010 is a wasteful number, since it uses less digits than its factorization.

20011022201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50082123.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20011022201010 its reverse (1010222011002), we get a palindrome (21021244212012).

The spelling of 20011022201010 in words is "twenty trillion, eleven billion, twenty-two million, two hundred one thousand, ten".