20054030254 has 4 divisors (see below), whose sum is σ = 30081045384. Its totient is φ = 10027015126.

The previous prime is 20054030251. The next prime is 20054030273. The reversal of 20054030254 is 45203045002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054030251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013507562 + ... + 5013507565.

It is an arithmetic number, because the mean of its divisors is an integer number (7520261346).

Almost surely, 2^20054030254 is an apocalyptic number.

20054030254 is a deficient number, since it is larger than the sum of its proper divisors (10027015130).

20054030254 is a wasteful number, since it uses less digits than its factorization.

20054030254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027015129.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20054030254 its reverse (45203045002), we get a palindrome (65257075256).

The spelling of 20054030254 in words is "twenty billion, fifty-four million, thirty thousand, two hundred fifty-four".