20016272452 has 12 divisors (see below), whose sum is σ = 38212883856. Its totient is φ = 9098305640.

The previous prime is 20016272431. The next prime is 20016272459. The reversal of 20016272452 is 25427261002.

It is not an unprimeable number, because it can be changed into a prime (20016272459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227457598 + ... + 227457685.

It is an arithmetic number, because the mean of its divisors is an integer number (3184406988).

Almost surely, 2^20016272452 is an apocalyptic number.

20016272452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20016272452 is a deficient number, since it is larger than the sum of its proper divisors (18196611404).

20016272452 is a wasteful number, since it uses less digits than its factorization.

20016272452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454915298 (or 454915296 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20016272452 in words is "twenty billion, sixteen million, two hundred seventy-two thousand, four hundred fifty-two".