20626340530 has 64 divisors (see below), whose sum is σ = 40267958400. Its totient is φ = 7582533120.

The previous prime is 20626340503. The next prime is 20626340563. The reversal of 20626340530 is 3504362602.

It is a happy number.

20626340530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20626340492 and 20626340501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833881 + ... + 858259.

It is an arithmetic number, because the mean of its divisors is an integer number (629186850).

Almost surely, 2^20626340530 is an apocalyptic number.

20626340530 is a deficient number, since it is larger than the sum of its proper divisors (19641617870).

20626340530 is a wasteful number, since it uses less digits than its factorization.

20626340530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24539.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 20626340530 in words is "twenty billion, six hundred twenty-six million, three hundred forty thousand, five hundred thirty".