20055042630 has 96 divisors (see below), whose sum is σ = 63097579584. Its totient is φ = 4314359808.

The previous prime is 20055042611. The next prime is 20055042677. The reversal of 20055042630 is 3624055002.

20055042630 is a `hidden beast` number, since 20 + 0 + 5 + 5 + 0 + 4 + 2 + 630 = 666.

It is a super-2 number, since 2×20055042630² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20055042594 and 20055042603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 925567 + ... + 946986.

It is an arithmetic number, because the mean of its divisors is an integer number (657266454).

Almost surely, 2^20055042630 is an apocalyptic number.

20055042630 is an abundant number, since it is smaller than the sum of its proper divisors (43042536954).

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

20055042630 is a wasteful number, since it uses less digits than its factorization.

20055042630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872590 (or 1872587 counting only the distinct ones).

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

Adding to 20055042630 its reverse (3624055002), we get a palindrome (23679097632).

The spelling of 20055042630 in words is "twenty billion, fifty-five million, forty-two thousand, six hundred thirty".