20077016 has 8 divisors (see below), whose sum is σ = 37644420. Its totient is φ = 10038504.

The previous prime is 20077009. The next prime is 20077027. The reversal of 20077016 is 61077002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20076982 and 20077000.

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, 1254806 + ... + 1254821.

Almost surely, 2^20077016 is an apocalyptic number.

It is an amenable number.

20077016 is a deficient number, since it is larger than the sum of its proper divisors (17567404).

20077016 is a wasteful number, since it uses less digits than its factorization.

20077016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509633 (or 2509629 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 20077016 is about 4480.7383320163. The cubic root of 20077016 is about 271.7897380238.

The spelling of 20077016 in words is "twenty million, seventy-seven thousand, sixteen".