20098077 has 16 divisors (see below), whose sum is σ = 27978048. Its totient is φ = 12821120.

The previous prime is 20098061. The next prime is 20098079. The reversal of 20098077 is 77089002.

It is a cyclic number.

It is not a de Polignac number, because 20098077 - 2⁴ = 20098061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4978 + ... + 8060.

It is an arithmetic number, because the mean of its divisors is an integer number (1748628).

Almost surely, 2^20098077 is an apocalyptic number.

It is an amenable number.

20098077 is a deficient number, since it is larger than the sum of its proper divisors (7879971).

20098077 is a wasteful number, since it uses less digits than its factorization.

20098077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 20098077 is about 4483.0878867138. The cubic root of 20098077 is about 271.8847415719.

The spelling of 20098077 in words is "twenty million, ninety-eight thousand, seventy-seven".