20002010220100 has 36 divisors (see below), whose sum is σ = 43438351775364. Its totient is φ = 7994538724480.

The previous prime is 20002010220097. The next prime is 20002010220131. The reversal of 20002010220100 is 102201020002.

It can be written as a sum of positive squares in 6 ways, for example, as 3766526088516 + 16235484131584 = 1940754^2 + 4029328^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78188707 + ... + 78444106.

It is an arithmetic number, because the mean of its divisors is an integer number (1206620882649).

Almost surely, 2^{20002010220100} is an apocalyptic number.

20002010220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002010220100 is an abundant number, since it is smaller than the sum of its proper divisors (23436341555264).

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

20002010220100 is a wasteful number, since it uses less digits than its factorization.

20002010220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156634104 (or 156634097 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002010220100 its reverse (102201020002), we get a palindrome (20104211240102).

The spelling of 20002010220100 in words is "twenty trillion, two billion, ten million, two hundred twenty thousand, one hundred".