20464206 has 32 divisors (see below), whose sum is σ = 46970880. Its totient is φ = 5822496.

The previous prime is 20464193. The next prime is 20464211. The reversal of 20464206 is 60246402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (1467840).

Almost surely, 2^20464206 is an apocalyptic number.

20464206 is an abundant number, since it is smaller than the sum of its proper divisors (26506674).

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

20464206 is a wasteful number, since it uses less digits than its factorization.

20464206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20464206 is about 4523.7380560771. The cubic root of 20464206 is about 273.5258017139.

The spelling of 20464206 in words is "twenty million, four hundred sixty-four thousand, two hundred six".