10204204520 has 32 divisors (see below), whose sum is σ = 23302144800. Its totient is φ = 4020760128.

The previous prime is 10204204519. The next prime is 10204204537. The reversal of 10204204520 is 2540240201.

It is a happy number.

10204204520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10204204492 and 10204204501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901090 + ... + 1906449.

It is an arithmetic number, because the mean of its divisors is an integer number (728192025).

Almost surely, 2^10204204520 is an apocalyptic number.

10204204520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10204204520 is an abundant number, since it is smaller than the sum of its proper divisors (13097940280).

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

10204204520 is a wasteful number, since it uses less digits than its factorization.

10204204520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807617 (or 3807613 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 10204204520 its reverse (2540240201), we get a palindrome (12744444721).

The spelling of 10204204520 in words is "ten billion, two hundred four million, two hundred four thousand, five hundred twenty".