20246442 has 8 divisors (see below), whose sum is σ = 40492896. Its totient is φ = 6748812.

The previous prime is 20246399. The next prime is 20246453. The reversal of 20246442 is 24464202.

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

20246442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687198 + ... + 1687209.

It is an arithmetic number, because the mean of its divisors is an integer number (5061612).

Almost surely, 2^20246442 is an apocalyptic number.

20246442 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.

20246442 is a wasteful number, since it uses less digits than its factorization.

20246442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374412.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 20246442 is about 4499.6046492998. The cubic root of 20246442 is about 272.5521242489.

The spelling of 20246442 in words is "twenty million, two hundred forty-six thousand, four hundred forty-two".