20775280086430 has 64 divisors (see below), whose sum is σ = 38529737400960. Its totient is φ = 8059517190144.

The previous prime is 20775280086373. The next prime is 20775280086433. The reversal of 20775280086430 is 3468008257702.

It is a happy number.

It is a super-2 number, since 2×20775280086430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775280086433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562707511 + ... + 562744429.

It is an arithmetic number, because the mean of its divisors is an integer number (602027146890).

Almost surely, 2^{20775280086430} is an apocalyptic number.

20775280086430 is a deficient number, since it is larger than the sum of its proper divisors (17754457314530).

20775280086430 is a wasteful number, since it uses less digits than its factorization.

20775280086430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41813.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 20775280086430 in words is "twenty trillion, seven hundred seventy-five billion, two hundred eighty million, eighty-six thousand, four hundred thirty".