20010222202301 has 4 divisors (see below), whose sum is σ = 21187294096572. Its totient is φ = 18833150308032.

The previous prime is 20010222202279. The next prime is 20010222202303. The reversal of 20010222202301 is 10320222201002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12932467438276 + 7077754764025 = 3596174^2 + 2660405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010222202301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1177071894253 = 20010222202301 / (2 + 0 + 0 + 1 + 0 + 2 + 2 + 2 + 2 + 0 + 2 + 3 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010222202301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010222202303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588535947110 + ... + 588535947143.

It is an arithmetic number, because the mean of its divisors is an integer number (5296823524143).

Almost surely, 2^{20010222202301} is an apocalyptic number.

It is an amenable number.

20010222202301 is a deficient number, since it is larger than the sum of its proper divisors (1177071894271).

20010222202301 is a wasteful number, since it uses less digits than its factorization.

20010222202301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177071894270.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20010222202301 its reverse (10320222201002), we get a palindrome (30330444403303).

The spelling of 20010222202301 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred two thousand, three hundred one".