16020265442 has 4 divisors (see below), whose sum is σ = 24030398166. Its totient is φ = 8010132720.

The previous prime is 16020265403. The next prime is 16020265477. The reversal of 16020265442 is 24456202061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24456202061 = 3919 ⋅6240419.

It can be written as a sum of positive squares in only one way, i.e., 15943860361 + 76405081 = 126269^2 + 8741^2 .

It is a super-4 number, since 4×16020265442⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16020265399 and 16020265408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005066359 + ... + 4005066362.

Almost surely, 2^16020265442 is an apocalyptic number.

16020265442 is a deficient number, since it is larger than the sum of its proper divisors (8010132724).

16020265442 is an equidigital number, since it uses as much as digits as its factorization.

16020265442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010132723.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 16020265442 in words is "sixteen billion, twenty million, two hundred sixty-five thousand, four hundred forty-two".