20414142 has 24 divisors (see below), whose sum is σ = 50549616. Its totient is φ = 5832576.

The previous prime is 20414129. The next prime is 20414171. The reversal of 20414142 is 24141402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80883 + ... + 81134.

It is an arithmetic number, because the mean of its divisors is an integer number (2106234).

Almost surely, 2^20414142 is an apocalyptic number.

20414142 is an abundant number, since it is smaller than the sum of its proper divisors (30135474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20414142 is a wasteful number, since it uses less digits than its factorization.

20414142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162032 (or 162029 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20414142 is about 4518.2011907395. The cubic root of 20414142 is about 273.3025667664.

Adding to 20414142 its reverse (24141402), we get a palindrome (44555544).

The spelling of 20414142 in words is "twenty million, four hundred fourteen thousand, one hundred forty-two".