20196546 has 16 divisors (see below), whose sum is σ = 40545408. Its totient is φ = 6706800.

The previous prime is 20196529. The next prime is 20196577. The reversal of 20196546 is 64569102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (2534088).

Almost surely, 2^20196546 is an apocalyptic number.

20196546 is an abundant number, since it is smaller than the sum of its proper divisors (20348862).

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

20196546 is a wasteful number, since it uses less digits than its factorization.

20196546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20196546 is about 4494.0567419649. The cubic root of 20196546 is about 272.3280445875.

The spelling of 20196546 in words is "twenty million, one hundred ninety-six thousand, five hundred forty-six".