10220363642553 has 4 divisors (see below), whose sum is σ = 13627151523408. Its totient is φ = 6813575761700.

The previous prime is 10220363642539. The next prime is 10220363642561. The reversal of 10220363642553 is 35524636302201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10220363642553 - 2⁵ = 10220363642521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10220363142553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703393940423 + ... + 1703393940428.

It is an arithmetic number, because the mean of its divisors is an integer number (3406787880852).

Almost surely, 2^{10220363642553} is an apocalyptic number.

It is an amenable number.

10220363642553 is a deficient number, since it is larger than the sum of its proper divisors (3406787880855).

10220363642553 is an equidigital number, since it uses as much as digits as its factorization.

10220363642553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406787880854.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 10220363642553 its reverse (35524636302201), we get a palindrome (45744999944754).

The spelling of 10220363642553 in words is "ten trillion, two hundred twenty billion, three hundred sixty-three million, six hundred forty-two thousand, five hundred fifty-three".