10204321040 has 20 divisors (see below), whose sum is σ = 23725046604. Its totient is φ = 4081728384.

The previous prime is 10204321037. The next prime is 10204321063. The reversal of 10204321040 is 4012340201.

It can be written as a sum of positive squares in 2 ways, for example, as 3477696784 + 6726624256 = 58972^2 + 82016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63776927 + ... + 63777086.

Almost surely, 2^10204321040 is an apocalyptic number.

10204321040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10204321040 is an abundant number, since it is smaller than the sum of its proper divisors (13520725564).

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

10204321040 is a wasteful number, since it uses less digits than its factorization.

10204321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127554026 (or 127554020 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10204321040 its reverse (4012340201), we get a palindrome (14216661241).

The spelling of 10204321040 in words is "ten billion, two hundred four million, three hundred twenty-one thousand, forty".