20299023490200 has 384 divisors, whose sum is σ = 77486990515200. Its totient is φ = 4280746936320.

The previous prime is 20299023490171. The next prime is 20299023490217. The reversal of 20299023490200 is 209432099202.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 111238234 + ... + 111420566.

It is an arithmetic number, because the mean of its divisors is an integer number (201789037800).

Almost surely, 2^{20299023490200} is an apocalyptic number.

20299023490200 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 20299023490200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38743495257600).

20299023490200 is an abundant number, since it is smaller than the sum of its proper divisors (57187967025000).

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

20299023490200 is a wasteful number, since it uses less digits than its factorization.

20299023490200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184411 (or 184402 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 20299023490200 in words is "twenty trillion, two hundred ninety-nine billion, twenty-three million, four hundred ninety thousand, two hundred".