20454663034006 has 4 divisors (see below), whose sum is σ = 30681994551012. Its totient is φ = 10227331517002.

The previous prime is 20454663033929. The next prime is 20454663034031. The reversal of 20454663034006 is 60043036645402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20454663034006² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113665758500 + ... + 5113665758503.

It is an arithmetic number, because the mean of its divisors is an integer number (7670498637753).

Almost surely, 2^{20454663034006} is an apocalyptic number.

20454663034006 is a deficient number, since it is larger than the sum of its proper divisors (10227331517006).

20454663034006 is a wasteful number, since it uses less digits than its factorization.

20454663034006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10227331517005.

The product of its (nonzero) digits is 1244160, while the sum is 43.

Adding to 20454663034006 its reverse (60043036645402), we get a palindrome (80497699679408).

The spelling of 20454663034006 in words is "twenty trillion, four hundred fifty-four billion, six hundred sixty-three million, thirty-four thousand, six".