1020403422 has 12 divisors (see below), whose sum is σ = 2210874120. Its totient is φ = 340134468.

The previous prime is 1020403403. The next prime is 1020403429. The reversal of 1020403422 is 2243040201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56689079 = 1020403422 / (1 + 0 + 2 + 0 + 4 + 0 + 3 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1020403395 and 1020403404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020403429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28344522 + ... + 28344557.

It is an arithmetic number, because the mean of its divisors is an integer number (184239510).

Almost surely, 2^1020403422 is an apocalyptic number.

1020403422 is an abundant number, since it is smaller than the sum of its proper divisors (1190470698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020403422 is a wasteful number, since it uses less digits than its factorization.

1020403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56689087 (or 56689084 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1020403422 is about 31943.7540373701. The cubic root of 1020403422 is about 1006.7554024425.

Adding to 1020403422 its reverse (2243040201), we get a palindrome (3263443623).

The spelling of 1020403422 in words is "one billion, twenty million, four hundred three thousand, four hundred twenty-two".