20063572443 has 36 divisors (see below), whose sum is σ = 30651026328. Its totient is φ = 12644916480.

The previous prime is 20063572439. The next prime is 20063572453. The reversal of 20063572443 is 34427536002.

20063572443 is a `hidden beast` number, since 20 + 0 + 63 + 572 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 20063572443 - 2² = 20063572439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20063572398 and 20063572407.

It is not an unprimeable number, because it can be changed into a prime (20063572453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1588971 + ... + 1601547.

It is an arithmetic number, because the mean of its divisors is an integer number (851417398).

Almost surely, 2^20063572443 is an apocalyptic number.

20063572443 is a deficient number, since it is larger than the sum of its proper divisors (10587453885).

20063572443 is a wasteful number, since it uses less digits than its factorization.

20063572443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112 (or 13090 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 20063572443 in words is "twenty billion, sixty-three million, five hundred seventy-two thousand, four hundred forty-three".