1022020210 has 8 divisors (see below), whose sum is σ = 1839636396. Its totient is φ = 408808080.

The previous prime is 1022020201. The next prime is 1022020267. The reversal of 1022020210 is 120202201.

It can be written as a sum of positive squares in 2 ways, for example, as 1022016961 + 3249 = 31969^2 + 57^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102202021 = 1022020210 / (1 + 0 + 2 + 2 + 0 + 2 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51101001 + ... + 51101020.

Almost surely, 2^1022020210 is an apocalyptic number.

1022020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022020210 is a deficient number, since it is larger than the sum of its proper divisors (817616186).

1022020210 is a wasteful number, since it uses less digits than its factorization.

1022020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102202028.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1022020210 is about 31969.0508148115. The cubic root of 1022020210 is about 1007.2868429474.

Adding to 1022020210 its reverse (120202201), we get a palindrome (1142222411).

The spelling of 1022020210 in words is "one billion, twenty-two million, twenty thousand, two hundred ten".