10021320134 has 32 divisors (see below), whose sum is σ = 17660146176. Its totient is φ = 4176325440.

The previous prime is 10021320131. The next prime is 10021320139. The reversal of 10021320134 is 43102312001.

It is a super-2 number, since 2×10021320134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021320131) 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, 3509 + ... + 141615.

It is an arithmetic number, because the mean of its divisors is an integer number (551879568).

Almost surely, 2^10021320134 is an apocalyptic number.

10021320134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10021320134 is a deficient number, since it is larger than the sum of its proper divisors (7638826042).

10021320134 is a wasteful number, since it uses less digits than its factorization.

10021320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138260.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10021320134 its reverse (43102312001), we get a palindrome (53123632135).

The spelling of 10021320134 in words is "ten billion, twenty-one million, three hundred twenty thousand, one hundred thirty-four".