20243401000 has 64 divisors (see below), whose sum is σ = 47558871360. Its totient is φ = 8065000000.

The previous prime is 20243400977. The next prime is 20243401001. The reversal of 20243401000 is 10434202.

It is not an unprimeable number, because it can be changed into a prime (20243401001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210675 + ... + 291325.

It is an arithmetic number, because the mean of its divisors is an integer number (743107365).

Almost surely, 2^20243401000 is an apocalyptic number.

20243401000 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 20243401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23779435680).

20243401000 is an abundant number, since it is smaller than the sum of its proper divisors (27315470360).

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

20243401000 is a wasteful number, since it uses less digits than its factorization.

20243401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80923 (or 80909 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20243401000 its reverse (10434202), we get a palindrome (20253835202).

The spelling of 20243401000 in words is "twenty billion, two hundred forty-three million, four hundred one thousand".