20452450202032 has 20 divisors (see below), whose sum is σ = 39627271984680. Its totient is φ = 10226057431808.

The previous prime is 20452450202021. The next prime is 20452450202047. The reversal of 20452450202032 is 23020205425402.

It is a junction number, because it is equal to n+sod(n) for n = 20452450201985 and 20452450202003.

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, 9470038 + ... + 11427445.

It is an arithmetic number, because the mean of its divisors is an integer number (1981363599234).

Almost surely, 2^{20452450202032} is an apocalyptic number.

It is an amenable number.

20452450202032 is a deficient number, since it is larger than the sum of its proper divisors (19174821782648).

20452450202032 is a wasteful number, since it uses less digits than its factorization.

20452450202032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20958660 (or 20958654 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 20452450202032 its reverse (23020205425402), we get a palindrome (43472655627434).

The spelling of 20452450202032 in words is "twenty trillion, four hundred fifty-two billion, four hundred fifty million, two hundred two thousand, thirty-two".