10102010238 has 24 divisors (see below), whose sum is σ = 22593744576. Its totient is φ = 3258712800.

The previous prime is 10102010201. The next prime is 10102010239. The reversal of 10102010238 is 83201020101.

It is a super-2 number, since 2×10102010238² (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 self number, because there is not a number n which added to its sum of digits gives 10102010238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102010239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9051423 + ... + 9052538.

It is an arithmetic number, because the mean of its divisors is an integer number (941406024).

Almost surely, 2^10102010238 is an apocalyptic number.

10102010238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10102010238 is an abundant number, since it is smaller than the sum of its proper divisors (12491734338).

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

10102010238 is a wasteful number, since it uses less digits than its factorization.

10102010238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104000 (or 18103997 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10102010238 its reverse (83201020101), we get a palindrome (93303030339).

The spelling of 10102010238 in words is "ten billion, one hundred two million, ten thousand, two hundred thirty-eight".