1220001020363 has 2 divisors, whose sum is σ = 1220001020364. Its totient is φ = 1220001020362.

The previous prime is 1220001020311. The next prime is 1220001020383. The reversal of 1220001020363 is 3630201000221.

It is a happy number.

It is an a-pointer prime, because the next prime (1220001020383) can be obtained adding 1220001020363 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220001020363 - 2⁸ = 1220001020107 is a prime.

It is a super-2 number, since 2×1220001020363² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220001020383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000510181 + 610000510182.

It is an arithmetic number, because the mean of its divisors is an integer number (610000510182).

Almost surely, 2^{1220001020363} is an apocalyptic number.

1220001020363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220001020363 is an equidigital number, since it uses as much as digits as its factorization.

1220001020363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220001020363 its reverse (3630201000221), we get a palindrome (4850202020584).

The spelling of 1220001020363 in words is "one trillion, two hundred twenty billion, one million, twenty thousand, three hundred sixty-three".