1020401422 has 16 divisors (see below), whose sum is σ = 1619519760. Its totient is φ = 480840192.

The previous prime is 1020401407. The next prime is 1020401461. The reversal of 1020401422 is 2241040201.

1020401422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020401396 and 1020401405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62233 + ... + 76900.

It is an arithmetic number, because the mean of its divisors is an integer number (101219985).

Almost surely, 2^1020401422 is an apocalyptic number.

1020401422 is a deficient number, since it is larger than the sum of its proper divisors (599118338).

1020401422 is a wasteful number, since it uses less digits than its factorization.

1020401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139347.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1020401422 is about 31943.7227323304. The cubic root of 1020401422 is about 1006.7547446922.

Adding to 1020401422 its reverse (2241040201), we get a palindrome (3261441623).

The spelling of 1020401422 in words is "one billion, twenty million, four hundred one thousand, four hundred twenty-two".