20442652 has 12 divisors (see below), whose sum is σ = 35891856. Its totient is φ = 10187840.

The previous prime is 20442649. The next prime is 20442659. The reversal of 20442652 is 25624402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442659) 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, 6973 + ... + 9460.

It is an arithmetic number, because the mean of its divisors is an integer number (2990988).

Almost surely, 2^20442652 is an apocalyptic number.

It is an amenable number.

20442652 is a deficient number, since it is larger than the sum of its proper divisors (15449204).

20442652 is a wasteful number, since it uses less digits than its factorization.

20442652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748 (or 16746 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 20442652 is about 4521.3551066024. The cubic root of 20442652 is about 273.4297372947.

The spelling of 20442652 in words is "twenty million, four hundred forty-two thousand, six hundred fifty-two".