220000400461 has 4 divisors (see below), whose sum is σ = 220006192000. Its totient is φ = 219994608924.

The previous prime is 220000400449. The next prime is 220000400467. The reversal of 220000400461 is 164004000022.

220000400461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 164004000022 = 2 ⋅82002000011.

It is a cyclic number.

It is not a de Polignac number, because 220000400461 - 2⁵ = 220000400429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000400467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838411 + ... + 2914888.

It is an arithmetic number, because the mean of its divisors is an integer number (55001548000).

Almost surely, 2^220000400461 is an apocalyptic number.

It is an amenable number.

220000400461 is a deficient number, since it is larger than the sum of its proper divisors (5791539).

220000400461 is an equidigital number, since it uses as much as digits as its factorization.

220000400461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791538.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220000400461 its reverse (164004000022), we get a palindrome (384004400483).

The spelling of 220000400461 in words is "two hundred twenty billion, four hundred thousand, four hundred sixty-one".