20946342 has 32 divisors (see below), whose sum is σ = 43027200. Its totient is φ = 6795360.

The previous prime is 20946319. The next prime is 20946347. The reversal of 20946342 is 24364902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20946347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63117 + ... + 63447.

It is an arithmetic number, because the mean of its divisors is an integer number (1344600).

Almost surely, 2^20946342 is an apocalyptic number.

20946342 is an abundant number, since it is smaller than the sum of its proper divisors (22080858).

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

20946342 is a wasteful number, since it uses less digits than its factorization.

20946342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20946342 is about 4576.7173825789. The cubic root of 20946342 is about 275.6572357030.

The spelling of 20946342 in words is "twenty million, nine hundred forty-six thousand, three hundred forty-two".