10020201202120 has 256 divisors, whose sum is σ = 23626822348800. Its totient is φ = 3821921525760.

The previous prime is 10020201202043. The next prime is 10020201202127. The reversal of 10020201202120 is 2120210202001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020201202120.

It is not an unprimeable number, because it can be changed into a prime (10020201202127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4746659865 + ... + 4746661975.

It is an arithmetic number, because the mean of its divisors is an integer number (92292274800).

Almost surely, 2^{10020201202120} is an apocalyptic number.

10020201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020201202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11813411174400).

10020201202120 is an abundant number, since it is smaller than the sum of its proper divisors (13606621146680).

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

10020201202120 is a wasteful number, since it uses less digits than its factorization.

10020201202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2644 counting only the distinct ones).

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

Adding to 10020201202120 its reverse (2120210202001), we get a palindrome (12140411404121).

The spelling of 10020201202120 in words is "ten trillion, twenty billion, two hundred one million, two hundred two thousand, one hundred twenty".