20220021220253 has 2 divisors, whose sum is σ = 20220021220254. Its totient is φ = 20220021220252.

The previous prime is 20220021220187. The next prime is 20220021220277. The reversal of 20220021220253 is 35202212002202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18280054168324 + 1939967051929 = 4275518^2 + 1392827^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220021220253 - 2¹⁴ = 20220021203869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220021220283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110010610126 + 10110010610127.

It is an arithmetic number, because the mean of its divisors is an integer number (10110010610127).

Almost surely, 2^{20220021220253} is an apocalyptic number.

It is an amenable number.

20220021220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220021220253 is an equidigital number, since it uses as much as digits as its factorization.

20220021220253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20220021220253 its reverse (35202212002202), we get a palindrome (55422233222455).

The spelling of 20220021220253 in words is "twenty trillion, two hundred twenty billion, twenty-one million, two hundred twenty thousand, two hundred fifty-three".