20000942 has 32 divisors (see below), whose sum is σ = 35163072. Its totient is φ = 8446464.

The previous prime is 20000933. The next prime is 20000951. The reversal of 20000942 is 24900002.

It is an interprime number because it is at equal distance from previous prime (20000933) and next prime (20000951).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20000942.

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 15 ways as a sum of consecutive naturals, for example, 15743 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (1098846).

Almost surely, 2^20000942 is an apocalyptic number.

20000942 is a deficient number, since it is larger than the sum of its proper divisors (15162130).

20000942 is a wasteful number, since it uses less digits than its factorization.

20000942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20000942 is about 4472.2412725612. The cubic root of 20000942 is about 271.4460232282.

Adding to 20000942 its reverse (24900002), we get a palindrome (44900944).

The spelling of 20000942 in words is "twenty million, nine hundred forty-two", and thus it is an aban number.