20214042 has 32 divisors (see below), whose sum is σ = 42273792. Its totient is φ = 6437424.

The previous prime is 20214023. The next prime is 20214053. The reversal of 20214042 is 24041202.

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 15 ways as a sum of consecutive naturals, for example, 11293 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (1321056).

Almost surely, 2^20214042 is an apocalyptic number.

20214042 is an abundant number, since it is smaller than the sum of its proper divisors (22059750).

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

20214042 is a wasteful number, since it uses less digits than its factorization.

20214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20214042 is about 4496.0028914581. The cubic root of 20214042 is about 272.4066599487.

Adding to 20214042 its reverse (24041202), we get a palindrome (44255244).

The spelling of 20214042 in words is "twenty million, two hundred fourteen thousand, forty-two".