20041142 has 16 divisors (see below), whose sum is σ = 34221312. Its totient is φ = 8713320.

The previous prime is 20041121. The next prime is 20041183. The reversal of 20041142 is 24114002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19298 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (2138832).

Almost surely, 2^20041142 is an apocalyptic number.

20041142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20041142 is a deficient number, since it is larger than the sum of its proper divisors (14180170).

20041142 is a wasteful number, since it uses less digits than its factorization.

20041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39643.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20041142 is about 4476.7334072960. The cubic root of 20041142 is about 271.6277617934.

Adding to 20041142 its reverse (24114002), we get a palindrome (44155144).

The spelling of 20041142 in words is "twenty million, forty-one thousand, one hundred forty-two".