20254562 has 8 divisors (see below), whose sum is σ = 30880092. Its totient is φ = 9961200.

The previous prime is 20254547. The next prime is 20254567. The reversal of 20254562 is 26545202.

It can be written as a sum of positive squares in 2 ways, for example, as 14969161 + 5285401 = 3869^2 + 2299^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20254567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82889 + ... + 83132.

Almost surely, 2^20254562 is an apocalyptic number.

20254562 is a deficient number, since it is larger than the sum of its proper divisors (10625530).

20254562 is a wasteful number, since it uses less digits than its factorization.

20254562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166084.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 20254562 is about 4500.5068603436. The cubic root of 20254562 is about 272.5885557932.

Adding to 20254562 its reverse (26545202), we get a palindrome (46799764).

The spelling of 20254562 in words is "twenty million, two hundred fifty-four thousand, five hundred sixty-two".