20009602000 has 40 divisors (see below), whose sum is σ = 48383222472. Its totient is φ = 8003840000.

The previous prime is 20009601949. The next prime is 20009602003. The reversal of 20009602000 is 20690002.

It can be written as a sum of positive squares in 4 ways, for example, as 1336926096 + 18672675904 = 36564^2 + 136648^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20009602003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000401 + ... + 5004400.

Almost surely, 2^20009602000 is an apocalyptic number.

20009602000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20009602000 is an abundant number, since it is smaller than the sum of its proper divisors (28373620472).

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

20009602000 is a wasteful number, since it uses less digits than its factorization.

20009602000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004824 (or 10004808 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20009602000 in words is "twenty billion, nine million, six hundred two thousand".