220020102021947 has 2 divisors, whose sum is σ = 220020102021948. Its totient is φ = 220020102021946.

The previous prime is 220020102021917. The next prime is 220020102021949. The reversal of 220020102021947 is 749120201020022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220020102021947 - 2¹⁶ = 220020101956411 is a prime.

Together with 220020102021949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220020102021949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010051010973 + 110010051010974.

It is an arithmetic number, because the mean of its divisors is an integer number (110010051010974).

Almost surely, 2^{220020102021947} is an apocalyptic number.

220020102021947 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020102021947 is an equidigital number, since it uses as much as digits as its factorization.

220020102021947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 220020102021947 its reverse (749120201020022), we get a palindrome (969140303041969).

The spelling of 220020102021947 in words is "two hundred twenty trillion, twenty billion, one hundred two million, twenty-one thousand, nine hundred forty-seven".