20452523044 has 6 divisors (see below), whose sum is σ = 35791915334. Its totient is φ = 10226261520.

The previous prime is 20452523029. The next prime is 20452523051. The reversal of 20452523044 is 44032525402.

It can be written as a sum of positive squares in only one way, i.e., 18093478144 + 2359044900 = 134512^2 + 48570^2 .

It is a super-3 number, since 3×20452523044³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20452522997 and 20452523015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556565377 + ... + 2556565384.

Almost surely, 2^20452523044 is an apocalyptic number.

It is an amenable number.

20452523044 is a deficient number, since it is larger than the sum of its proper divisors (15339392290).

20452523044 is a wasteful number, since it uses less digits than its factorization.

20452523044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113130765 (or 5113130763 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 20452523044 in words is "twenty billion, four hundred fifty-two million, five hundred twenty-three thousand, forty-four".