20055400310 has 48 divisors (see below), whose sum is σ = 42014010528. Its totient is φ = 6863873280.

The previous prime is 20055400297. The next prime is 20055400331. The reversal of 20055400310 is 1300455002.

It is a super-2 number, since 2×20055400310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466922 + ... + 508061.

It is an arithmetic number, because the mean of its divisors is an integer number (875291886).

Almost surely, 2^20055400310 is an apocalyptic number.

20055400310 is an abundant number, since it is smaller than the sum of its proper divisors (21958610218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20055400310 is a wasteful number, since it uses less digits than its factorization.

20055400310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975029 (or 975018 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20055400310 its reverse (1300455002), we get a palindrome (21355855312).

The spelling of 20055400310 in words is "twenty billion, fifty-five million, four hundred thousand, three hundred ten".