20601664413430 has 32 divisors (see below), whose sum is σ = 38423059495200. Its totient is φ = 7948144518912.

The previous prime is 20601664413427. The next prime is 20601664413431. The reversal of 20601664413430 is 3431446610602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601664413431) 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, 329384535 + ... + 329447074.

It is an arithmetic number, because the mean of its divisors is an integer number (1200720609225).

Almost surely, 2^{20601664413430} is an apocalyptic number.

20601664413430 is a deficient number, since it is larger than the sum of its proper divisors (17821395081770).

20601664413430 is a wasteful number, since it uses less digits than its factorization.

20601664413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658831728.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 20601664413430 in words is "twenty trillion, six hundred one billion, six hundred sixty-four million, four hundred thirteen thousand, four hundred thirty".