20202100021010 has 8 divisors (see below), whose sum is σ = 36363780037836. Its totient is φ = 8080840008400.

The previous prime is 20202100021003. The next prime is 20202100021031. The reversal of 20202100021010 is 1012000120202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18171540570481 + 2030559450529 = 4262809^2 + 1424977^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20202100020982 and 20202100021000.

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, 1010105001041 + ... + 1010105001060.

Almost surely, 2^{20202100021010} is an apocalyptic number.

20202100021010 is a deficient number, since it is larger than the sum of its proper divisors (16161680016826).

20202100021010 is a wasteful number, since it uses less digits than its factorization.

20202100021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020210002108.

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

Adding to 20202100021010 its reverse (1012000120202), we get a palindrome (21214100141212).

The spelling of 20202100021010 in words is "twenty trillion, two hundred two billion, one hundred million, twenty-one thousand, ten".