20863098 has 24 divisors (see below), whose sum is σ = 45946836. Its totient is φ = 6840000.

The previous prime is 20863067. The next prime is 20863099. The reversal of 20863098 is 89036802.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 4678569 = 4023^2 + 2163^2 .

It is not an unprimeable number, because it can be changed into a prime (20863099) 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, 8403 + ... + 10598.

Almost surely, 2^20863098 is an apocalyptic number.

20863098 is an abundant number, since it is smaller than the sum of its proper divisors (25083738).

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

20863098 is a wasteful number, since it uses less digits than its factorization.

20863098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070 (or 19067 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20863098 is about 4567.6140379853. The cubic root of 20863098 is about 275.2915827363.

It can be divided in two parts, 2086 and 3098, that added together give a square (5184 = 72²).

The spelling of 20863098 in words is "twenty million, eight hundred sixty-three thousand, ninety-eight".