20262494 has 16 divisors (see below), whose sum is σ = 36246528. Its totient is φ = 8306232.

The previous prime is 20262481. The next prime is 20262497. The reversal of 20262494 is 49426202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20262497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31142 + ... + 31785.

It is an arithmetic number, because the mean of its divisors is an integer number (2265408).

Almost surely, 2^20262494 is an apocalyptic number.

20262494 is a deficient number, since it is larger than the sum of its proper divisors (15984034).

20262494 is a wasteful number, since it uses less digits than its factorization.

20262494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62959.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20262494 is about 4501.3880081593. The cubic root of 20262494 is about 272.6241344485.

Adding to 20262494 its reverse (49426202), we get a palindrome (69688696).

The spelling of 20262494 in words is "twenty million, two hundred sixty-two thousand, four hundred ninety-four".