42020001322 has 16 divisors (see below), whose sum is σ = 67882934952. Its totient is φ = 19392569280.

The previous prime is 42020001281. The next prime is 42020001349. The reversal of 42020001322 is 22310002024.

It can be written as a sum of positive squares in 4 ways, for example, as 30012444081 + 12007557241 = 173241^2 + 109579^2 .

It is a super-2 number, since 2×42020001322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42020001296 and 42020001305.

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, 432808 + ... + 520924.

Almost surely, 2^42020001322 is an apocalyptic number.

42020001322 is a deficient number, since it is larger than the sum of its proper divisors (25862933630).

42020001322 is a wasteful number, since it uses less digits than its factorization.

42020001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106473.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42020001322 its reverse (22310002024), we get a palindrome (64330003346).

The spelling of 42020001322 in words is "forty-two billion, twenty million, one thousand, three hundred twenty-two".