10202320424 has 8 divisors (see below), whose sum is σ = 19129350810. Its totient is φ = 5101160208.

The previous prime is 10202320411. The next prime is 10202320477. The reversal of 10202320424 is 42402320201.

It can be written as a sum of positive squares in only one way, i.e., 9646775524 + 555544900 = 98218^2 + 23570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10202320396 and 10202320405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637645019 + ... + 637645034.

Almost surely, 2^10202320424 is an apocalyptic number.

It is an amenable number.

10202320424 is a deficient number, since it is larger than the sum of its proper divisors (8927030386).

10202320424 is a wasteful number, since it uses less digits than its factorization.

10202320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275290059 (or 1275290055 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10202320424 its reverse (42402320201), we get a palindrome (52604640625).

The spelling of 10202320424 in words is "ten billion, two hundred two million, three hundred twenty thousand, four hundred twenty-four".