20152754 has 8 divisors (see below), whose sum is σ = 30872448. Its totient is φ = 9861940.

The previous prime is 20152747. The next prime is 20152789. The reversal of 20152754 is 45725102.

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

It is a super-2 number, since 2×20152754² = 812266987569032, which contains 22 as substring.

It is an unprimeable number.

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, 107102 + ... + 107289.

It is an arithmetic number, because the mean of its divisors is an integer number (3859056).

Almost surely, 2^20152754 is an apocalyptic number.

20152754 is a deficient number, since it is larger than the sum of its proper divisors (10719694).

20152754 is a wasteful number, since it uses less digits than its factorization.

20152754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214440.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 20152754 is about 4489.1818853773. The cubic root of 20152754 is about 272.1310732893.

Adding to 20152754 its reverse (45725102), we get a palindrome (65877856).

The spelling of 20152754 in words is "twenty million, one hundred fifty-two thousand, seven hundred fifty-four".