20498093 has 16 divisors (see below), whose sum is σ = 26903040. Its totient is φ = 15130800.

The previous prime is 20498059. The next prime is 20498117. The reversal of 20498093 is 39089402.

20498093 = T₂₅₂ + T₂₅₃ + ... + T₅₁₇.

It is a cyclic number.

It is not a de Polignac number, because 20498093 - 2¹⁰ = 20497069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20498003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5543 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (1681440).

Almost surely, 2^20498093 is an apocalyptic number.

It is an amenable number.

20498093 is a deficient number, since it is larger than the sum of its proper divisors (6404947).

20498093 is a wasteful number, since it uses less digits than its factorization.

20498093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 20498093 is about 4527.4819712507. The cubic root of 20498093 is about 273.6766970110.

The spelling of 20498093 in words is "twenty million, four hundred ninety-eight thousand, ninety-three".