20158353 has 12 divisors (see below), whose sum is σ = 29611920. Its totient is φ = 13210776.

The previous prime is 20158337. The next prime is 20158363. The reversal of 20158353 is 35385102.

It is not a de Polignac number, because 20158353 - 2⁴ = 20158337 is a prime.

It is a super-3 number, since 3×20158353³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20158363) 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 11 ways as a sum of consecutive naturals, for example, 18451 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (2467660).

Almost surely, 2^20158353 is an apocalyptic number.

It is an amenable number.

20158353 is a deficient number, since it is larger than the sum of its proper divisors (9453567).

20158353 is a wasteful number, since it uses less digits than its factorization.

20158353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38028 (or 38025 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 20158353 is about 4489.8054523554. The cubic root of 20158353 is about 272.1562728360.

The spelling of 20158353 in words is "twenty million, one hundred fifty-eight thousand, three hundred fifty-three".