202221000201020 has 48 divisors (see below), whose sum is σ = 426486839260608. Its totient is φ = 80541463265280.

The previous prime is 202221000200971. The next prime is 202221000201023. The reversal of 202221000201020 is 20102000122202.

It is a junction number, because it is equal to n+sod(n) for n = 202221000200986 and 202221000201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221000201023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5006330 + ... + 20724510.

It is an arithmetic number, because the mean of its divisors is an integer number (8885142484596).

Almost surely, 2^{202221000201020} is an apocalyptic number.

202221000201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221000201020 is an abundant number, since it is smaller than the sum of its proper divisors (224265839059588).

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

202221000201020 is a wasteful number, since it uses less digits than its factorization.

202221000201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15720950 (or 15720948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221000201020 its reverse (20102000122202), we get a palindrome (222323000323222).

The spelling of 202221000201020 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred one thousand, twenty".