20202021000102 has 16 divisors (see below), whose sum is σ = 40804082021232. Its totient is φ = 6667333663200.

The previous prime is 20202021000061. The next prime is 20202021000103. The reversal of 20202021000102 is 20100012020202.

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, 16668333553 + ... + 16668334764.

It is an arithmetic number, because the mean of its divisors is an integer number (2550255126327).

Almost surely, 2^{20202021000102} is an apocalyptic number.

20202021000102 is an abundant number, since it is smaller than the sum of its proper divisors (20602061021130).

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

20202021000102 is a wasteful number, since it uses less digits than its factorization.

20202021000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336668423.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202021000102 its reverse (20100012020202), we get a palindrome (40302033020304).

The spelling of 20202021000102 in words is "twenty trillion, two hundred two billion, twenty-one million, one hundred two", and thus it is an aban number.