1020221014 has 4 divisors (see below), whose sum is σ = 1530331524. Its totient is φ = 510110506.

The previous prime is 1020221003. The next prime is 1020221087. The reversal of 1020221014 is 4101220201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020220985 and 1020221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255055252 + ... + 255055255.

It is an arithmetic number, because the mean of its divisors is an integer number (382582881).

Almost surely, 2^1020221014 is an apocalyptic number.

1020221014 is a deficient number, since it is larger than the sum of its proper divisors (510110510).

1020221014 is an equidigital number, since it uses as much as digits as its factorization.

1020221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510110509.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1020221014 is about 31940.8987663153. The cubic root of 1020221014 is about 1006.6954094440.

Adding to 1020221014 its reverse (4101220201), we get a palindrome (5121441215).

The spelling of 1020221014 in words is "one billion, twenty million, two hundred twenty-one thousand, fourteen".