20046541464405 has 12 divisors (see below), whose sum is σ = 34747338538380. Its totient is φ = 10691488780992.

The previous prime is 20046541464277. The next prime is 20046541464421. The reversal of 20046541464405 is 50446414564002.

20046541464405 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 6 + 541 + 4 + 64 + 40 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9813445900164 + 10233095564241 = 3132642^2 + 3198921^2 .

It is not a de Polignac number, because 20046541464405 - 2⁷ = 20046541464277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 445478699209 = 20046541464405 / (2 + 0 + 0 + 4 + 6 + 5 + 4 + 1 + 4 + 6 + 4 + 4 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222739349560 + ... + 222739349649.

It is an arithmetic number, because the mean of its divisors is an integer number (2895611544865).

Almost surely, 2^{20046541464405} is an apocalyptic number.

It is an amenable number.

20046541464405 is a deficient number, since it is larger than the sum of its proper divisors (14700797073975).

20046541464405 is a wasteful number, since it uses less digits than its factorization.

20046541464405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445478699220 (or 445478699217 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 20046541464405 in words is "twenty trillion, forty-six billion, five hundred forty-one million, four hundred sixty-four thousand, four hundred five".