20554130430 has 32 divisors (see below), whose sum is σ = 54811015200. Its totient is φ = 5481101376.

The previous prime is 20554130423. The next prime is 20554130431. The reversal of 20554130430 is 3403145502.

20554130430 is a `hidden beast` number, since 205 + 5 + 413 + 0 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20554130394 and 20554130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554130431) 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, 38062935 + ... + 38063474.

It is an arithmetic number, because the mean of its divisors is an integer number (1712844225).

Almost surely, 2^20554130430 is an apocalyptic number.

20554130430 is an abundant number, since it is smaller than the sum of its proper divisors (34256884770).

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

20554130430 is a wasteful number, since it uses less digits than its factorization.

20554130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76126425 (or 76126419 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20554130430 its reverse (3403145502), we get a palindrome (23957275932).

The spelling of 20554130430 in words is "twenty billion, five hundred fifty-four million, one hundred thirty thousand, four hundred thirty".