120220446453 has 4 divisors (see below), whose sum is σ = 160293928608. Its totient is φ = 80146964300.

The previous prime is 120220446449. The next prime is 120220446517. The reversal of 120220446453 is 354644022021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354644022021 = 3 ⋅118214674007.

It is a cyclic number.

It is not a de Polignac number, because 120220446453 - 2² = 120220446449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220446253) 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, 20036741073 + ... + 20036741078.

It is an arithmetic number, because the mean of its divisors is an integer number (40073482152).

Almost surely, 2^120220446453 is an apocalyptic number.

It is an amenable number.

120220446453 is a deficient number, since it is larger than the sum of its proper divisors (40073482155).

120220446453 is an equidigital number, since it uses as much as digits as its factorization.

120220446453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073482154.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 120220446453 its reverse (354644022021), we get a palindrome (474864468474).

The spelling of 120220446453 in words is "one hundred twenty billion, two hundred twenty million, four hundred forty-six thousand, four hundred fifty-three".