20552031224032 has 48 divisors (see below), whose sum is σ = 50445894828672. Its totient is φ = 8007284891520.

The previous prime is 20552031223979. The next prime is 20552031224047. The reversal of 20552031224032 is 23042213025502.

It is a junction number, because it is equal to n+sod(n) for n = 20552031223985 and 20552031224003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170458418 + ... + 4170463345.

It is an arithmetic number, because the mean of its divisors is an integer number (1050956142264).

Almost surely, 2^{20552031224032} is an apocalyptic number.

20552031224032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20552031224032 is an abundant number, since it is smaller than the sum of its proper divisors (29893863604640).

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

20552031224032 is a wasteful number, since it uses less digits than its factorization.

20552031224032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340921791 (or 8340921783 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20552031224032 its reverse (23042213025502), we get a palindrome (43594244249534).

The spelling of 20552031224032 in words is "twenty trillion, five hundred fifty-two billion, thirty-one million, two hundred twenty-four thousand, thirty-two".