20299032000 has 448 divisors, whose sum is σ = 80214825600. Its totient is φ = 4995993600.

The previous prime is 20299031983. The next prime is 20299032023. The reversal of 20299032000 is 23099202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2804386 + ... + 2811614.

It is an arithmetic number, because the mean of its divisors is an integer number (179050950).

Almost surely, 2^20299032000 is an apocalyptic number.

20299032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20299032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40107412800).

20299032000 is an abundant number, since it is smaller than the sum of its proper divisors (59915793600).

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

20299032000 is a wasteful number, since it uses less digits than its factorization.

20299032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278 (or 7252 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 20299032000 in words is "twenty billion, two hundred ninety-nine million, thirty-two thousand".