99980502000 has 320 divisors, whose sum is σ = 342687780864. Its totient is φ = 24991027200.

The previous prime is 99980501987. The next prime is 99980502043. The reversal of 99980502000 is 20508999.

It is a super-2 number, since 2×99980502000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26824137 + ... + 26827863.

Almost surely, 2^99980502000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99980502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171343890432).

99980502000 is an abundant number, since it is smaller than the sum of its proper divisors (242707278864).

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

99980502000 is a wasteful number, since it uses less digits than its factorization.

99980502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 99980502000 in words is "ninety-nine billion, nine hundred eighty million, five hundred two thousand".