10420452500 has 30 divisors (see below), whose sum is σ = 22787450994. Its totient is φ = 4168180000.

The previous prime is 10420452461. The next prime is 10420452557. The reversal of 10420452500 is 525402401.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 959388676 + 9461063824 = 30974^2 + 97268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2081591 + ... + 2086590.

Almost surely, 2^10420452500 is an apocalyptic number.

10420452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10420452500 is an abundant number, since it is smaller than the sum of its proper divisors (12366998494).

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

10420452500 is an equidigital number, since it uses as much as digits as its factorization.

10420452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168205 (or 4168188 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 10420452500 its reverse (525402401), we get a palindrome (10945854901).

The spelling of 10420452500 in words is "ten billion, four hundred twenty million, four hundred fifty-two thousand, five hundred".