20730606522 has 8 divisors (see below), whose sum is σ = 41461213056. Its totient is φ = 6910202172.

The previous prime is 20730606511. The next prime is 20730606553. The reversal of 20730606522 is 22560603702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20730606522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727550538 + ... + 1727550549.

It is an arithmetic number, because the mean of its divisors is an integer number (5182651632).

Almost surely, 2^20730606522 is an apocalyptic number.

20730606522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20730606522 is a wasteful number, since it uses less digits than its factorization.

20730606522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455101092.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20730606522 in words is "twenty billion, seven hundred thirty million, six hundred six thousand, five hundred twenty-two".