20908607324 has 48 divisors (see below), whose sum is σ = 41256456192. Its totient is φ = 9185640000.

The previous prime is 20908607287. The next prime is 20908607327. The reversal of 20908607324 is 42370680902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20908607327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110509 + ... + 1129179.

It is an arithmetic number, because the mean of its divisors is an integer number (859509504).

Almost surely, 2^20908607324 is an apocalyptic number.

It is an amenable number.

20908607324 is a deficient number, since it is larger than the sum of its proper divisors (20347848868).

20908607324 is a wasteful number, since it uses less digits than its factorization.

20908607324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19538 (or 19536 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20908607324 in words is "twenty billion, nine hundred eight million, six hundred seven thousand, three hundred twenty-four".