10505204430 has 64 divisors (see below), whose sum is σ = 29209033728. Its totient is φ = 2368293120.

The previous prime is 10505204429. The next prime is 10505204431. The reversal of 10505204430 is 3440250501.

It is an interprime number because it is at equal distance from previous prime (10505204429) and next prime (10505204431).

It is a super-2 number, since 2×10505204430² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10505204430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505204431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327306 + ... + 357965.

It is an arithmetic number, because the mean of its divisors is an integer number (456391152).

Almost surely, 2^10505204430 is an apocalyptic number.

10505204430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505204430 is an abundant number, since it is smaller than the sum of its proper divisors (18703829298).

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

10505204430 is a wasteful number, since it uses less digits than its factorization.

10505204430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685361.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 10505204430 its reverse (3440250501), we get a palindrome (13945454931).

The spelling of 10505204430 in words is "ten billion, five hundred five million, two hundred four thousand, four hundred thirty".