20580580454 has 24 divisors (see below), whose sum is σ = 35923879728. Its totient is φ = 8817088560.

The previous prime is 20580580439. The next prime is 20580580459. The reversal of 20580580454 is 45408508502.

It is a happy number.

It is a super-2 number, since 2×20580580454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20580580459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248324 + ... + 320664.

It is an arithmetic number, because the mean of its divisors is an integer number (1496828322).

Almost surely, 2^20580580454 is an apocalyptic number.

20580580454 is a deficient number, since it is larger than the sum of its proper divisors (15343299274).

20580580454 is a wasteful number, since it uses less digits than its factorization.

20580580454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75260 (or 75253 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 41.

The spelling of 20580580454 in words is "twenty billion, five hundred eighty million, five hundred eighty thousand, four hundred fifty-four".