20078876 has 6 divisors (see below), whose sum is σ = 35138040. Its totient is φ = 10039436.

The previous prime is 20078867. The next prime is 20078897. The reversal of 20078876 is 67887002.

It is a super-2 number, since 2×20078876² = 806322522846752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509856 + ... + 2509863.

It is an arithmetic number, because the mean of its divisors is an integer number (5856340).

Almost surely, 2^20078876 is an apocalyptic number.

It is an amenable number.

20078876 is a deficient number, since it is larger than the sum of its proper divisors (15059164).

20078876 is a wasteful number, since it uses less digits than its factorization.

20078876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019723 (or 5019721 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 20078876 is about 4480.9458822887. The cubic root of 20078876 is about 271.7981309261.

The spelling of 20078876 in words is "twenty million, seventy-eight thousand, eight hundred seventy-six".