20046078 has 24 divisors (see below), whose sum is σ = 46774728. Its totient is φ = 6167952.

The previous prime is 20046073. The next prime is 20046079. The reversal of 20046078 is 87064002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42600 + ... + 43067.

It is an arithmetic number, because the mean of its divisors is an integer number (1948947).

Almost surely, 2^20046078 is an apocalyptic number.

20046078 is an abundant number, since it is smaller than the sum of its proper divisors (26728650).

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

20046078 is a wasteful number, since it uses less digits than its factorization.

20046078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85688 (or 85685 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20046078 is about 4477.2846681890. The cubic root of 20046078 is about 271.6500600000.

The spelling of 20046078 in words is "twenty million, forty-six thousand, seventy-eight".