220301642336461 has 4 divisors (see below), whose sum is σ = 251773305527392. Its totient is φ = 188829979145532.

The previous prime is 220301642336449. The next prime is 220301642336507. The reversal of 220301642336461 is 164633246103022.

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 220301642336461 - 2¹⁷ = 220301642205389 is a prime.

It is a super-4 number, since 4×220301642336461⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220301642331461) 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, 15735831595455 + ... + 15735831595468.

It is an arithmetic number, because the mean of its divisors is an integer number (62943326381848).

Almost surely, 2^{220301642336461} is an apocalyptic number.

It is an amenable number.

220301642336461 is a deficient number, since it is larger than the sum of its proper divisors (31471663190931).

220301642336461 is an equidigital number, since it uses as much as digits as its factorization.

220301642336461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31471663190930.

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 220301642336461 its reverse (164633246103022), we get a palindrome (384934888439483).

The spelling of 220301642336461 in words is "two hundred twenty trillion, three hundred one billion, six hundred forty-two million, three hundred thirty-six thousand, four hundred sixty-one".