20043954 has 24 divisors (see below), whose sum is σ = 49632960. Its totient is φ = 5726808.

The previous prime is 20043937. The next prime is 20043967. The reversal of 20043954 is 45934002.

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, 79414 + ... + 79665.

It is an arithmetic number, because the mean of its divisors is an integer number (2068040).

Almost surely, 2^20043954 is an apocalyptic number.

20043954 is an abundant number, since it is smaller than the sum of its proper divisors (29589006).

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

20043954 is a wasteful number, since it uses less digits than its factorization.

20043954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159094 (or 159091 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20043954 is about 4477.0474645686. The cubic root of 20043954 is about 271.6404653533.

Adding to 20043954 its reverse (45934002), we get a palindrome (65977956).

The spelling of 20043954 in words is "twenty million, forty-three thousand, nine hundred fifty-four".