20455342056652 has 12 divisors (see below), whose sum is σ = 35804046874176. Its totient is φ = 10225614378320.

The previous prime is 20455342056641. The next prime is 20455342056671. The reversal of 20455342056652 is 25665024355402.

It is a junction number, because it is equal to n+sod(n) for n = 20455342056596 and 20455342056605.

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, 514140124 + ... + 514179907.

It is an arithmetic number, because the mean of its divisors is an integer number (2983670572848).

Almost surely, 2^{20455342056652} is an apocalyptic number.

It is an amenable number.

20455342056652 is a deficient number, since it is larger than the sum of its proper divisors (15348704817524).

20455342056652 is a wasteful number, since it uses less digits than its factorization.

20455342056652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028325008 (or 1028325006 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 20455342056652 in words is "twenty trillion, four hundred fifty-five billion, three hundred forty-two million, fifty-six thousand, six hundred fifty-two".