10020423378 has 32 divisors (see below), whose sum is σ = 22971821184. Its totient is φ = 2854478592.

The previous prime is 10020423367. The next prime is 10020423379. The reversal of 10020423378 is 87332402001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10020423379) 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, 339825 + ... + 368132.

It is an arithmetic number, because the mean of its divisors is an integer number (717869412).

Almost surely, 2^10020423378 is an apocalyptic number.

10020423378 is an abundant number, since it is smaller than the sum of its proper divisors (12951397806).

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

10020423378 is a wasteful number, since it uses less digits than its factorization.

10020423378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708306.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 10020423378 its reverse (87332402001), we get a palindrome (97352825379).

The spelling of 10020423378 in words is "ten billion, twenty million, four hundred twenty-three thousand, three hundred seventy-eight".