20110505452 has 6 divisors (see below), whose sum is σ = 35193384548. Its totient is φ = 10055252724.

The previous prime is 20110505449. The next prime is 20110505461. The reversal of 20110505452 is 25450501102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513813178 + ... + 2513813185.

Almost surely, 2^20110505452 is an apocalyptic number.

It is an amenable number.

20110505452 is a deficient number, since it is larger than the sum of its proper divisors (15082879096).

20110505452 is a wasteful number, since it uses less digits than its factorization.

20110505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027626367 (or 5027626365 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 20110505452 in words is "twenty billion, one hundred ten million, five hundred five thousand, four hundred fifty-two".