20045543052 has 24 divisors (see below), whose sum is σ = 47768103936. Its totient is φ = 6539680528.

The previous prime is 20045543041. The next prime is 20045543083. The reversal of 20045543052 is 25034554002.

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, 17770308 + ... + 17771435.

It is an arithmetic number, because the mean of its divisors is an integer number (1990337664).

Almost surely, 2^20045543052 is an apocalyptic number.

It is an amenable number.

20045543052 is an abundant number, since it is smaller than the sum of its proper divisors (27722560884).

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

20045543052 is a wasteful number, since it uses less digits than its factorization.

20045543052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35541797 (or 35541795 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 20045543052 in words is "twenty billion, forty-five million, five hundred forty-three thousand, fifty-two".