1020220022 has 4 divisors (see below), whose sum is σ = 1530330036. Its totient is φ = 510110010.

The previous prime is 1020220001. The next prime is 1020220043. The reversal of 1020220022 is 2200220201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2200220201 = 10723 ⋅205187.

It is an interprime number because it is at equal distance from previous prime (1020220001) and next prime (1020220043).

It is a junction number, because it is equal to n+sod(n) for n = 1020219985 and 1020220012.

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, 255055004 + ... + 255055007.

It is an arithmetic number, because the mean of its divisors is an integer number (382582509).

Almost surely, 2^1020220022 is an apocalyptic number.

1020220022 is a deficient number, since it is larger than the sum of its proper divisors (510110014).

1020220022 is an equidigital number, since it uses as much as digits as its factorization.

1020220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510110013.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1020220022 is about 31940.8832376314. The cubic root of 1020220022 is about 1006.6950831610.

Adding to 1020220022 its reverse (2200220201), we get a palindrome (3220440223).

The spelling of 1020220022 in words is "one billion, twenty million, two hundred twenty thousand, twenty-two".