220820482 has 4 divisors (see below), whose sum is σ = 331230726. Its totient is φ = 110410240.

The previous prime is 220820461. The next prime is 220820491. The reversal of 220820482 is 284028022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284028022 = 2 ⋅142014011.

It can be written as a sum of positive squares in only one way, i.e., 155226681 + 65593801 = 12459^2 + 8099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220820482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55205119 + ... + 55205122.

Almost surely, 2^220820482 is an apocalyptic number.

220820482 is a deficient number, since it is larger than the sum of its proper divisors (110410244).

220820482 is a wasteful number, since it uses less digits than its factorization.

220820482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110410243.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 220820482 is about 14860.0296769556. The cubic root of 220820482 is about 604.4306115299.

The spelling of 220820482 in words is "two hundred twenty million, eight hundred twenty thousand, four hundred eighty-two".