20153193 has 16 divisors (see below), whose sum is σ = 27955200. Its totient is φ = 12900240.

The previous prime is 20153191. The next prime is 20153201. The reversal of 20153193 is 39135102.

It is a happy number.

It is not a de Polignac number, because 20153193 - 2¹ = 20153191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20153191) 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, 12148 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (1747200).

Almost surely, 2^20153193 is an apocalyptic number.

It is an amenable number.

20153193 is a deficient number, since it is larger than the sum of its proper divisors (7802007).

20153193 is a wasteful number, since it uses less digits than its factorization.

20153193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 20153193 is about 4489.2307804344. The cubic root of 20153193 is about 272.1330492752.

Adding to 20153193 its reverse (39135102), we get a palindrome (59288295).

The spelling of 20153193 in words is "twenty million, one hundred fifty-three thousand, one hundred ninety-three".