20030151 has 4 divisors (see below), whose sum is σ = 26706872. Its totient is φ = 13353432.

The previous prime is 20030137. The next prime is 20030159. The reversal of 20030151 is 15103002.

Added to its reverse (15103002) it gives a triangular number (35133153 = T₈₃₈₂).

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

It is not a de Polignac number, because 20030151 - 2¹⁴ = 20013767 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 (20030159) 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, 3338356 + ... + 3338361.

It is an arithmetic number, because the mean of its divisors is an integer number (6676718).

Almost surely, 2^20030151 is an apocalyptic number.

20030151 is a deficient number, since it is larger than the sum of its proper divisors (6676721).

20030151 is an equidigital number, since it uses as much as digits as its factorization.

20030151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676720.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 20030151 is about 4475.5056697540. The cubic root of 20030151 is about 271.5780971808.

Adding to 20030151 its reverse (15103002), we get a palindrome (35133153).

The spelling of 20030151 in words is "twenty million, thirty thousand, one hundred fifty-one".