20464059 has 16 divisors (see below), whose sum is σ = 34018560. Its totient is φ = 10630560.

The previous prime is 20464057. The next prime is 20464063. The reversal of 20464059 is 95046402.

It is not a de Polignac number, because 20464059 - 2¹ = 20464057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20464057) 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, 44064 + ... + 44525.

It is an arithmetic number, because the mean of its divisors is an integer number (2126160).

Almost surely, 2^20464059 is an apocalyptic number.

20464059 is a deficient number, since it is larger than the sum of its proper divisors (13554501).

20464059 is a wasteful number, since it uses less digits than its factorization.

20464059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88610.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20464059 is about 4523.7218084228. The cubic root of 20464059 is about 273.5251467754.

It can be divided in two parts, 2046 and 4059, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 20464059 in words is "twenty million, four hundred sixty-four thousand, fifty-nine".