20130101220322 has 4 divisors (see below), whose sum is σ = 30195151830486. Its totient is φ = 10065050610160.

The previous prime is 20130101220253. The next prime is 20130101220331. The reversal of 20130101220322 is 22302210103102.

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

It can be written as a sum of positive squares in only one way, i.e., 19974919587561 + 155181632761 = 4469331^2 + 393931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20130101220322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032525305079 + ... + 5032525305082.

Almost surely, 2^{20130101220322} is an apocalyptic number.

20130101220322 is a deficient number, since it is larger than the sum of its proper divisors (10065050610164).

20130101220322 is a wasteful number, since it uses less digits than its factorization.

20130101220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065050610163.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20130101220322 its reverse (22302210103102), we get a palindrome (42432311323424).

The spelling of 20130101220322 in words is "twenty trillion, one hundred thirty billion, one hundred one million, two hundred twenty thousand, three hundred twenty-two".