200400211020204 has 144 divisors (see below), whose sum is σ = 553146280596000. Its totient is φ = 60807132767232.

The previous prime is 200400211020199. The next prime is 200400211020211. The reversal of 200400211020204 is 402020112004002.

200400211020204 is a `hidden beast` number, since 20 + 0 + 400 + 21 + 1 + 0 + 20 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 644889 + ... + 20030384.

It is an arithmetic number, because the mean of its divisors is an integer number (3841293615250).

Almost surely, 2^{200400211020204} 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 200400211020204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276573140298000).

200400211020204 is an abundant number, since it is smaller than the sum of its proper divisors (352746069575796).

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

200400211020204 is a wasteful number, since it uses less digits than its factorization.

200400211020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20675584 (or 20675579 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200400211020204 its reverse (402020112004002), we get a palindrome (602420323024206).

The spelling of 200400211020204 in words is "two hundred trillion, four hundred billion, two hundred eleven million, twenty thousand, two hundred four".