1020342422 has 24 divisors (see below), whose sum is σ = 1755453168. Its totient is φ = 443624720.

The previous prime is 1020342419. The next prime is 1020342439. The reversal of 1020342422 is 2242430201.

It is a junction number, because it is equal to n+sod(n) for n = 1020342394 and 1020342403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86093 + ... + 97224.

It is an arithmetic number, because the mean of its divisors is an integer number (73143882).

Almost surely, 2^1020342422 is an apocalyptic number.

1020342422 is a deficient number, since it is larger than the sum of its proper divisors (735110746).

1020342422 is a wasteful number, since it uses less digits than its factorization.

1020342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183364 (or 183353 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1020342422 is about 31942.7992198555. The cubic root of 1020342422 is about 1006.7353406702.

Adding to 1020342422 its reverse (2242430201), we get a palindrome (3262772623).

It can be divided in two parts, 10203 and 42422, that added together give a palindrome (52625).

The spelling of 1020342422 in words is "one billion, twenty million, three hundred forty-two thousand, four hundred twenty-two".