204031021430000 has 200 divisors, whose sum is σ = 523121972546448. Its totient is φ = 76799218176000.

The previous prime is 204031021429997. The next prime is 204031021430003. The reversal of 204031021430000 is 34120130402.

It is an interprime number because it is at equal distance from previous prime (204031021429997) and next prime (204031021430003).

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204031021430003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1083315839 + ... + 1083504161.

Almost surely, 2^{204031021430000} is an apocalyptic number.

204031021430000 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 204031021430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261560986273224).

204031021430000 is an abundant number, since it is smaller than the sum of its proper divisors (319090951116448).

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

204031021430000 is a wasteful number, since it uses less digits than its factorization.

204031021430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194741 (or 194720 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204031021430000 its reverse (34120130402), we get a palindrome (204065141560402).

The spelling of 204031021430000 in words is "two hundred four trillion, thirty-one billion, twenty-one million, four hundred thirty thousand".