20075016 has 96 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 5882112.

The previous prime is 20074993. The next prime is 20075051. The reversal of 20075016 is 61057002.

It is a junction number, because it is equal to n+sod(n) for n = 20074983 and 20075001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427105 + ... + 427151.

It is an arithmetic number, because the mean of its divisors is an integer number (590940).

Almost surely, 2^20075016 is an apocalyptic number.

20075016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20075016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28365120).

20075016 is an abundant number, since it is smaller than the sum of its proper divisors (36655224).

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

20075016 is a wasteful number, since it uses less digits than its factorization.

20075016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20075016 is about 4480.5151489533. The cubic root of 20075016 is about 271.7807128193.

The spelling of 20075016 in words is "twenty million, seventy-five thousand, sixteen".