20469355610 has 32 divisors (see below), whose sum is σ = 40203801792. Its totient is φ = 7441655680.

The previous prime is 20469355607. The next prime is 20469355619. The reversal of 20469355610 is 1655396402.

It is not an unprimeable number, because it can be changed into a prime (20469355619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507134 + ... + 546006.

It is an arithmetic number, because the mean of its divisors is an integer number (1256368806).

Almost surely, 2^20469355610 is an apocalyptic number.

20469355610 is a deficient number, since it is larger than the sum of its proper divisors (19734446182).

20469355610 is a wasteful number, since it uses less digits than its factorization.

20469355610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43678.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 20469355610 in words is "twenty billion, four hundred sixty-nine million, three hundred fifty-five thousand, six hundred ten".