20455650131132 has 12 divisors (see below), whose sum is σ = 35797424682936. Its totient is φ = 10227814507440.

The previous prime is 20455650131107. The next prime is 20455650131167. The reversal of 20455650131132 is 23113105655402.

It is a congruent number.

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, 3112382 + ... + 7113242.

It is an arithmetic number, because the mean of its divisors is an integer number (2983118723578).

Almost surely, 2^{20455650131132} is an apocalyptic number.

It is an amenable number.

20455650131132 is a deficient number, since it is larger than the sum of its proper divisors (15341774551804).

20455650131132 is a wasteful number, since it uses less digits than its factorization.

20455650131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279068 (or 5279066 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 20455650131132 its reverse (23113105655402), we get a palindrome (43568755786534).

The spelling of 20455650131132 in words is "twenty trillion, four hundred fifty-five billion, six hundred fifty million, one hundred thirty-one thousand, one hundred thirty-two".