20001022220102 has 64 divisors (see below), whose sum is σ = 37464636119040. Its totient is φ = 7780083696000.

The previous prime is 20001022220029. The next prime is 20001022220117. The reversal of 20001022220102 is 20102222010002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755340899 + ... + 755367377.

It is an arithmetic number, because the mean of its divisors is an integer number (585384939360).

Almost surely, 2^{20001022220102} is an apocalyptic number.

20001022220102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20001022220102 is a deficient number, since it is larger than the sum of its proper divisors (17463613898938).

20001022220102 is a wasteful number, since it uses less digits than its factorization.

20001022220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20001022220102 its reverse (20102222010002), we get a palindrome (40103244230104).

The spelling of 20001022220102 in words is "twenty trillion, one billion, twenty-two million, two hundred twenty thousand, one hundred two".