20363151 has 4 divisors (see below), whose sum is σ = 27150872. Its totient is φ = 13575432.

The previous prime is 20363149. The next prime is 20363153. The reversal of 20363151 is 15136302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20363149) and next prime (20363153).

It is not a de Polignac number, because 20363151 - 2¹ = 20363149 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 (20363153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393856 + ... + 3393861.

It is an arithmetic number, because the mean of its divisors is an integer number (6787718).

Almost surely, 2^20363151 is an apocalyptic number.

20363151 is a deficient number, since it is larger than the sum of its proper divisors (6787721).

20363151 is an equidigital number, since it uses as much as digits as its factorization.

20363151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787720.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20363151 is about 4512.5548196116. The cubic root of 20363151 is about 273.0748228405.

Adding to 20363151 its reverse (15136302), we get a palindrome (35499453).

The spelling of 20363151 in words is "twenty million, three hundred sixty-three thousand, one hundred fifty-one".