20210100120202 has 8 divisors (see below), whose sum is σ = 30321475074756. Its totient is φ = 10102941761952.

The previous prime is 20210100120173. The next prime is 20210100120233. The reversal of 20210100120202 is 20202100101202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16688213584641 + 3521886535561 = 4085121^2 + 1876669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20210100120202³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054137093 + ... + 1054156264.

Almost surely, 2^{20210100120202} is an apocalyptic number.

20210100120202 is a deficient number, since it is larger than the sum of its proper divisors (10111374954554).

20210100120202 is a wasteful number, since it uses less digits than its factorization.

20210100120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108298152.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210100120202 its reverse (20202100101202), we get a palindrome (40412200221404).

The spelling of 20210100120202 in words is "twenty trillion, two hundred ten billion, one hundred million, one hundred twenty thousand, two hundred two".