20234335100 has 144 divisors (see below), whose sum is σ = 52499639808. Its totient is φ = 6618543360.

The previous prime is 20234335091. The next prime is 20234335103. The reversal of 20234335100 is 153343202.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234335103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7130882 + ... + 7133718.

It is an arithmetic number, because the mean of its divisors is an integer number (364580832).

Almost surely, 2^20234335100 is an apocalyptic number.

20234335100 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 20234335100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26249819904).

20234335100 is an abundant number, since it is smaller than the sum of its proper divisors (32265304708).

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

20234335100 is a wasteful number, since it uses less digits than its factorization.

20234335100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20234335100 its reverse (153343202), we get a palindrome (20387678302).

The spelling of 20234335100 in words is "twenty billion, two hundred thirty-four million, three hundred thirty-five thousand, one hundred".