20202021000101 has 8 divisors (see below), whose sum is σ = 20410479628224. Its totient is φ = 19993566257280.

The previous prime is 20202021000061. The next prime is 20202021000103. The reversal of 20202021000101 is 10100012020202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20202021000101 - 2⁶ = 20202021000037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202021000103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10133096 + ... + 11961758.

It is an arithmetic number, because the mean of its divisors is an integer number (2551309953528).

Almost surely, 2^{20202021000101} is an apocalyptic number.

It is an amenable number.

20202021000101 is a deficient number, since it is larger than the sum of its proper divisors (208458628123).

20202021000101 is a wasteful number, since it uses less digits than its factorization.

20202021000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942651.

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

Adding to 20202021000101 its reverse (10100012020202), we get a palindrome (30302033020303).

The spelling of 20202021000101 in words is "twenty trillion, two hundred two billion, twenty-one million, one hundred one", and thus it is an aban number.