204243141102 has 128 divisors (see below), whose sum is σ = 548749071360. Its totient is φ = 48943319040.

The previous prime is 204243141101. The next prime is 204243141119. The reversal of 204243141102 is 201141342402.

It is a super-2 number, since 2×204243141102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204243141101) 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, 12778788 + ... + 12794760.

It is an arithmetic number, because the mean of its divisors is an integer number (4287102120).

Almost surely, 2^204243141102 is an apocalyptic number.

204243141102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 204243141102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274374535680).

204243141102 is an abundant number, since it is smaller than the sum of its proper divisors (344505930258).

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

204243141102 is a wasteful number, since it uses less digits than its factorization.

204243141102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18138.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 204243141102 its reverse (201141342402), we get a palindrome (405384483504).

The spelling of 204243141102 in words is "two hundred four billion, two hundred forty-three million, one hundred forty-one thousand, one hundred two".