20554650132 has 12 divisors (see below), whose sum is σ = 47960850336. Its totient is φ = 6851550040.

The previous prime is 20554650119. The next prime is 20554650133. The reversal of 20554650132 is 23105645502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20554650093 and 20554650102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554650133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856443744 + ... + 856443767.

It is an arithmetic number, because the mean of its divisors is an integer number (3996737528).

Almost surely, 2^20554650132 is an apocalyptic number.

It is an amenable number.

20554650132 is an abundant number, since it is smaller than the sum of its proper divisors (27406200204).

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

20554650132 is a wasteful number, since it uses less digits than its factorization.

20554650132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712887518 (or 1712887516 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 20554650132 in words is "twenty billion, five hundred fifty-four million, six hundred fifty thousand, one hundred thirty-two".