20298492000 has 384 divisors, whose sum is σ = 76446115200. Its totient is φ = 5225472000.

The previous prime is 20298491999. The next prime is 20298492001. The reversal of 20298492000 is 29489202.

It is an interprime number because it is at equal distance from previous prime (20298491999) and next prime (20298492001).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20298492001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3128760 + ... + 3135240.

It is an arithmetic number, because the mean of its divisors is an integer number (199078425).

Almost surely, 2^20298492000 is an apocalyptic number.

20298492000 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 20298492000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38223057600).

20298492000 is an abundant number, since it is smaller than the sum of its proper divisors (56147623200).

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

20298492000 is a wasteful number, since it uses less digits than its factorization.

20298492000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 20298492000 in words is "twenty billion, two hundred ninety-eight million, four hundred ninety-two thousand".