20555854814 has 32 divisors (see below), whose sum is σ = 35148764160. Its totient is φ = 8924740000.

The previous prime is 20555854807. The next prime is 20555854819. The reversal of 20555854814 is 41845855502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20555854819) 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, 335564 + ... + 392064.

It is an arithmetic number, because the mean of its divisors is an integer number (1098398880).

Almost surely, 2^20555854814 is an apocalyptic number.

20555854814 is a deficient number, since it is larger than the sum of its proper divisors (14592909346).

20555854814 is a wasteful number, since it uses less digits than its factorization.

20555854814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57256.

The product of its (nonzero) digits is 1280000, while the sum is 47.

The spelling of 20555854814 in words is "twenty billion, five hundred fifty-five million, eight hundred fifty-four thousand, eight hundred fourteen".