202020001020110 has 64 divisors (see below), whose sum is σ = 447554595801600. Its totient is φ = 63935629817472.

The previous prime is 202020001020067. The next prime is 202020001020113. The reversal of 202020001020110 is 11020100020202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202020001020091 and 202020001020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020001020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186317921 + ... + 187399059.

It is an arithmetic number, because the mean of its divisors is an integer number (6993040559400).

Almost surely, 2^{202020001020110} is an apocalyptic number.

202020001020110 is an abundant number, since it is smaller than the sum of its proper divisors (245534594781490).

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

202020001020110 is a wasteful number, since it uses less digits than its factorization.

202020001020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286505.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202020001020110 its reverse (11020100020202), we get a palindrome (213040101040312).

The spelling of 202020001020110 in words is "two hundred two trillion, twenty billion, one million, twenty thousand, one hundred ten".