20010212020100 has 36 divisors (see below), whose sum is σ = 45976404798324. Its totient is φ = 7533256289280.

The previous prime is 20010212020037. The next prime is 20010212020159. The reversal of 20010212020100 is 102021201002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20657163076 + 19989554857024 = 143726^2 + 4470968^2 .

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, 5885354777 + ... + 5885358176.

It is an arithmetic number, because the mean of its divisors is an integer number (1277122355509).

Almost surely, 2^{20010212020100} is an apocalyptic number.

20010212020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010212020100 is an abundant number, since it is smaller than the sum of its proper divisors (25966192778224).

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

20010212020100 is a wasteful number, since it uses less digits than its factorization.

20010212020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770712984 (or 11770712977 counting only the distinct ones).

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

Adding to 20010212020100 its reverse (102021201002), we get a palindrome (20112233221102).

The spelling of 20010212020100 in words is "twenty trillion, ten billion, two hundred twelve million, twenty thousand, one hundred".