20212220201303 has 16 divisors (see below), whose sum is σ = 21813475987296. Its totient is φ = 18617626675200.

The previous prime is 20212220201297. The next prime is 20212220201317. The reversal of 20212220201303 is 30310202221202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20212220201303 - 2²² = 20212216006999 is a prime.

It is a super-2 number, since 2×20212220201303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212220201323) 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, 20007551 + ... + 20993487.

It is an arithmetic number, because the mean of its divisors is an integer number (1363342249206).

Almost surely, 2^{20212220201303} is an apocalyptic number.

20212220201303 is a deficient number, since it is larger than the sum of its proper divisors (1601255785993).

20212220201303 is a wasteful number, since it uses less digits than its factorization.

20212220201303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989314.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20212220201303 its reverse (30310202221202), we get a palindrome (50522422422505).

The spelling of 20212220201303 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, two hundred one thousand, three hundred three".