20624553430 has 32 divisors (see below), whose sum is σ = 40026770784. Its totient is φ = 7606292736.

The previous prime is 20624553407. The next prime is 20624553437. The reversal of 20624553430 is 3435542602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20624553437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18849 + ... + 203971.

It is an arithmetic number, because the mean of its divisors is an integer number (1250836587).

Almost surely, 2^20624553430 is an apocalyptic number.

20624553430 is a deficient number, since it is larger than the sum of its proper divisors (19402217354).

20624553430 is a wasteful number, since it uses less digits than its factorization.

20624553430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186000.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 20624553430 in words is "twenty billion, six hundred twenty-four million, five hundred fifty-three thousand, four hundred thirty".