220146884049 has 4 divisors (see below), whose sum is σ = 293529178736. Its totient is φ = 146764589364.

The previous prime is 220146884003. The next prime is 220146884057. The reversal of 220146884049 is 940488641022.

It is a happy number.

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 not a de Polignac number, because 220146884049 - 2⁷ = 220146883921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220146883989 and 220146884007.

It is not an unprimeable number, because it can be changed into a prime (220146884149) 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, 36691147339 + ... + 36691147344.

It is an arithmetic number, because the mean of its divisors is an integer number (73382294684).

Almost surely, 2^220146884049 is an apocalyptic number.

It is an amenable number.

220146884049 is a deficient number, since it is larger than the sum of its proper divisors (73382294687).

220146884049 is an equidigital number, since it uses as much as digits as its factorization.

220146884049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73382294686.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 220146884049 in words is "two hundred twenty billion, one hundred forty-six million, eight hundred eighty-four thousand, forty-nine".