20604523522 has 8 divisors (see below), whose sum is σ = 33716493072. Its totient is φ = 9365692500.

The previous prime is 20604523507. The next prime is 20604523523. The reversal of 20604523522 is 22532540602.

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

It is not an unprimeable number, because it can be changed into a prime (20604523523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468284604 + ... + 468284647.

It is an arithmetic number, because the mean of its divisors is an integer number (4214561634).

Almost surely, 2^20604523522 is an apocalyptic number.

20604523522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20604523522 is a deficient number, since it is larger than the sum of its proper divisors (13111969550).

20604523522 is a wasteful number, since it uses less digits than its factorization.

20604523522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936569264.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 20604523522 in words is "twenty billion, six hundred four million, five hundred twenty-three thousand, five hundred twenty-two".