1000020221302 has 4 divisors (see below), whose sum is σ = 1500030331956. Its totient is φ = 500010110650.

The previous prime is 1000020221269. The next prime is 1000020221359. The reversal of 1000020221302 is 2031220200001.

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

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, 250005055324 + ... + 250005055327.

It is an arithmetic number, because the mean of its divisors is an integer number (375007582989).

Almost surely, 2^{1000020221302} is an apocalyptic number.

1000020221302 is a deficient number, since it is larger than the sum of its proper divisors (500010110654).

1000020221302 is an equidigital number, since it uses as much as digits as its factorization.

1000020221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500010110653.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1000020221302 its reverse (2031220200001), we get a palindrome (3031240421303).

The spelling of 1000020221302 in words is "one trillion, twenty million, two hundred twenty-one thousand, three hundred two".