20262254 has 4 divisors (see below), whose sum is σ = 30393384. Its totient is φ = 10131126.

The previous prime is 20262239. The next prime is 20262257. The reversal of 20262254 is 45226202.

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 (20262257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065562 + ... + 5065565.

It is an arithmetic number, because the mean of its divisors is an integer number (7598346).

Almost surely, 2^20262254 is an apocalyptic number.

20262254 is a deficient number, since it is larger than the sum of its proper divisors (10131130).

20262254 is a wasteful number, since it uses less digits than its factorization.

20262254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131129.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20262254 is about 4501.3613496364. The cubic root of 20262254 is about 272.6230580748.

Adding to 20262254 its reverse (45226202), we get a palindrome (65488456).

The spelling of 20262254 in words is "twenty million, two hundred sixty-two thousand, two hundred fifty-four".