1020221410 has 16 divisors (see below), whose sum is σ = 1977660216. Its totient is φ = 376697088.

The previous prime is 1020221407. The next prime is 1020221413. The reversal of 1020221410 is 141220201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020221407) and next prime (1020221413).

It can be written as a sum of positive squares in 4 ways, for example, as 926654481 + 93566929 = 30441^2 + 9673^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1020221413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3923799 + ... + 3924058.

Almost surely, 2^1020221410 is an apocalyptic number.

1020221410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221410 is a deficient number, since it is larger than the sum of its proper divisors (957438806).

1020221410 is a wasteful number, since it uses less digits than its factorization.

1020221410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847877.

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

The square root of 1020221410 is about 31940.9049652636. The cubic root of 1020221410 is about 1006.6955396940.

Adding to 1020221410 its reverse (141220201), we get a palindrome (1161441611).

The spelling of 1020221410 in words is "one billion, twenty million, two hundred twenty-one thousand, four hundred ten".