20000151 has 6 divisors (see below), whose sum is σ = 28889120. Its totient is φ = 13333428.

The previous prime is 20000147. The next prime is 20000153. The reversal of 20000151 is 15100002.

It is a happy number.

It is not a de Polignac number, because 20000151 - 2² = 20000147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2222239 = 20000151 / (2 + 0 + 0 + 0 + 0 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000153) 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 5 ways as a sum of consecutive naturals, for example, 1111111 + ... + 1111128.

Almost surely, 2^20000151 is an apocalyptic number.

20000151 is a deficient number, since it is larger than the sum of its proper divisors (8888969).

20000151 is a wasteful number, since it uses less digits than its factorization.

20000151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222245 (or 2222242 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 20000151 is about 4472.1528372809. The cubic root of 20000151 is about 271.4424447862.

Adding to 20000151 its reverse (15100002), we get a palindrome (35100153).

The spelling of 20000151 in words is "twenty million, one hundred fifty-one", and thus it is an aban number.