20040262 has 12 divisors (see below), whose sum is σ = 33041988. Its totient is φ = 9109100.

The previous prime is 20040259. The next prime is 20040289. The reversal of 20040262 is 26204002.

It is a super-2 number, since 2×20040262² = 803224202057288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41164 + ... + 41647.

It is an arithmetic number, because the mean of its divisors is an integer number (2753499).

Almost surely, 2^20040262 is an apocalyptic number.

20040262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20040262 is a deficient number, since it is larger than the sum of its proper divisors (13001726).

20040262 is a wasteful number, since it uses less digits than its factorization.

20040262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82835 (or 82824 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20040262 is about 4476.6351202661. The cubic root of 20040262 is about 271.6237860398.

Adding to 20040262 its reverse (26204002), we get a palindrome (46244264).

It can be divided in two parts, 20040 and 262, that added together give a palindrome (20302).

The spelling of 20040262 in words is "twenty million, forty thousand, two hundred sixty-two".