20234942 has 32 divisors (see below), whose sum is σ = 38136000. Its totient is φ = 8001504.

The previous prime is 20234941. The next prime is 20234959. The reversal of 20234942 is 24943202.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7784 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (1191750).

Almost surely, 2^20234942 is an apocalyptic number.

20234942 is a deficient number, since it is larger than the sum of its proper divisors (17901058).

20234942 is a wasteful number, since it uses less digits than its factorization.

20234942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20234942 is about 4498.3265777398. The cubic root of 20234942 is about 272.5005111794.

The spelling of 20234942 in words is "twenty million, two hundred thirty-four thousand, nine hundred forty-two".