20602240466 has 16 divisors (see below), whose sum is σ = 33135402240. Its totient is φ = 9572447040.

The previous prime is 20602240459. The next prime is 20602240469. The reversal of 20602240466 is 66404220602.

It is not an unprimeable number, because it can be changed into a prime (20602240469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832430 + ... + 3837801.

It is an arithmetic number, because the mean of its divisors is an integer number (2070962640).

Almost surely, 2^20602240466 is an apocalyptic number.

20602240466 is a deficient number, since it is larger than the sum of its proper divisors (12533161774).

20602240466 is a wasteful number, since it uses less digits than its factorization.

20602240466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670329.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 20602240466 in words is "twenty billion, six hundred two million, two hundred forty thousand, four hundred sixty-six".