10202013234 has 64 divisors (see below), whose sum is σ = 26053198080. Its totient is φ = 2898737280.

The previous prime is 10202013187. The next prime is 10202013247. The reversal of 10202013234 is 43231020201.

It is a super-2 number, since 2×10202013234² (a number of 21 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6139 + ... + 142974.

It is an arithmetic number, because the mean of its divisors is an integer number (407081220).

Almost surely, 2^10202013234 is an apocalyptic number.

10202013234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202013234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13026599040).

10202013234 is an abundant number, since it is smaller than the sum of its proper divisors (15851184846).

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

10202013234 is a wasteful number, since it uses less digits than its factorization.

10202013234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149312 (or 149306 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10202013234 its reverse (43231020201), we get a palindrome (53433033435).

The spelling of 10202013234 in words is "ten billion, two hundred two million, thirteen thousand, two hundred thirty-four".