20010012220747 has 2 divisors, whose sum is σ = 20010012220748. Its totient is φ = 20010012220746.

The previous prime is 20010012220729. The next prime is 20010012220763. The reversal of 20010012220747 is 74702221001002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010012220747 - 2²⁷ = 20009878003019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010012220717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006110373 + 10005006110374.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006110374).

Almost surely, 2^{20010012220747} is an apocalyptic number.

20010012220747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012220747 is an equidigital number, since it uses as much as digits as its factorization.

20010012220747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 20010012220747 its reverse (74702221001002), we get a palindrome (94712233221749).

The spelling of 20010012220747 in words is "twenty trillion, ten billion, twelve million, two hundred twenty thousand, seven hundred forty-seven".