20007154 has 8 divisors (see below), whose sum is σ = 30090240. Its totient is φ = 9977076.

The previous prime is 20007149. The next prime is 20007157. The reversal of 20007154 is 45170002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20007154² = 800572422359432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20007157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12294 + ... + 13825.

It is an arithmetic number, because the mean of its divisors is an integer number (3761280).

Almost surely, 2^20007154 is an apocalyptic number.

20007154 is a deficient number, since it is larger than the sum of its proper divisors (10083086).

20007154 is a wasteful number, since it uses less digits than its factorization.

20007154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26504.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20007154 is about 4472.9357250021. The cubic root of 20007154 is about 271.4741227073.

Adding to 20007154 its reverse (45170002), we get a palindrome (65177156).

The spelling of 20007154 in words is "twenty million, seven thousand, one hundred fifty-four".