20265942 has 8 divisors (see below), whose sum is σ = 40531896. Its totient is φ = 6755312.

The previous prime is 20265941. The next prime is 20265997. The reversal of 20265942 is 24956202.

It is a sphenic number, since it is the product of 3 distinct primes.

20265942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20265941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688823 + ... + 1688834.

It is an arithmetic number, because the mean of its divisors is an integer number (5066487).

Almost surely, 2^20265942 is an apocalyptic number.

20265942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20265942 is a wasteful number, since it uses less digits than its factorization.

20265942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377662.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20265942 is about 4501.7709848459. The cubic root of 20265942 is about 272.6395974135.

The spelling of 20265942 in words is "twenty million, two hundred sixty-five thousand, nine hundred forty-two".