20452510414460 has 12 divisors (see below), whose sum is σ = 42950271870408. Its totient is φ = 8181004165776.

The previous prime is 20452510414421. The next prime is 20452510414463. The reversal of 20452510414460 is 6441401525402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452510414463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511312760342 + ... + 511312760381.

It is an arithmetic number, because the mean of its divisors is an integer number (3579189322534).

Almost surely, 2^{20452510414460} is an apocalyptic number.

20452510414460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20452510414460 is an abundant number, since it is smaller than the sum of its proper divisors (22497761455948).

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

20452510414460 is a wasteful number, since it uses less digits than its factorization.

20452510414460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022625520732 (or 1022625520730 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 20452510414460 its reverse (6441401525402), we get a palindrome (26893911939862).

The spelling of 20452510414460 in words is "twenty trillion, four hundred fifty-two billion, five hundred ten million, four hundred fourteen thousand, four hundred sixty".