20078235 has 48 divisors (see below), whose sum is σ = 36990720. Its totient is φ = 10056960.

The previous prime is 20078213. The next prime is 20078249. The reversal of 20078235 is 53287002.

It is not a de Polignac number, because 20078235 - 2⁸ = 20077979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20078199 and 20078208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51421 + ... + 51809.

It is an arithmetic number, because the mean of its divisors is an integer number (770640).

Almost surely, 2^20078235 is an apocalyptic number.

20078235 is a deficient number, since it is larger than the sum of its proper divisors (16912485).

20078235 is a wasteful number, since it uses less digits than its factorization.

20078235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20078235 is about 4480.8743566407. The cubic root of 20078235 is about 271.7952385920.

The spelling of 20078235 in words is "twenty million, seventy-eight thousand, two hundred thirty-five".