4020342122 has 8 divisors (see below), whose sum is σ = 6092683716. Its totient is φ = 1989447552.

The previous prime is 4020342119. The next prime is 4020342133. The reversal of 4020342122 is 2212430204.

It can be written as a sum of positive squares in 2 ways, for example, as 3850326601 + 170015521 = 62051^2 + 13039^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4020342094 and 4020342103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10361513 + ... + 10361900.

Almost surely, 2^4020342122 is an apocalyptic number.

4020342122 is a deficient number, since it is larger than the sum of its proper divisors (2072341594).

4020342122 is a wasteful number, since it uses less digits than its factorization.

4020342122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20723512.

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

The square root of 4020342122 is about 63406.1678545550. The cubic root of 4020342122 is about 1590.0874287065.

Adding to 4020342122 its reverse (2212430204), we get a palindrome (6232772326).

The spelling of 4020342122 in words is "four billion, twenty million, three hundred forty-two thousand, one hundred twenty-two".