20153151 has 8 divisors (see below), whose sum is σ = 29856560. Its totient is φ = 13435416.

The previous prime is 20153141. The next prime is 20153153. The reversal of 20153151 is 15135102.

It is not a de Polignac number, because 20153151 - 2¹⁰ = 20152127 is a prime.

It is a super-2 number, since 2×20153151² = 812298990457602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373180 + ... + 373233.

It is an arithmetic number, because the mean of its divisors is an integer number (3732070).

Almost surely, 2^20153151 is an apocalyptic number.

20153151 is a deficient number, since it is larger than the sum of its proper divisors (9703409).

20153151 is an equidigital number, since it uses as much as digits as its factorization.

20153151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746422 (or 746416 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 20153151 is about 4489.2261025705. The cubic root of 20153151 is about 272.1328602299.

Adding to 20153151 its reverse (15135102), we get a palindrome (35288253).

The spelling of 20153151 in words is "twenty million, one hundred fifty-three thousand, one hundred fifty-one".