20130554 has 8 divisors (see below), whose sum is σ = 30535380. Its totient is φ = 9952096.

The previous prime is 20130547. The next prime is 20130569. The reversal of 20130554 is 45503102.

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 87025 = 4477^2 + 295^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56369 + ... + 56724.

Almost surely, 2^20130554 is an apocalyptic number.

20130554 is a deficient number, since it is larger than the sum of its proper divisors (10404826).

20130554 is a wasteful number, since it uses less digits than its factorization.

20130554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113184.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20130554 is about 4486.7085931672. The cubic root of 20130554 is about 272.0311112770.

Adding to 20130554 its reverse (45503102), we get a palindrome (65633656).

The spelling of 20130554 in words is "twenty million, one hundred thirty thousand, five hundred fifty-four".