20461526452 has 24 divisors (see below), whose sum is σ = 36033693696. Its totient is φ = 10166353248.

The previous prime is 20461526443. The next prime is 20461526453. The reversal of 20461526452 is 25462516402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461526453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476253 + ... + 517435.

It is an arithmetic number, because the mean of its divisors is an integer number (1501403904).

Almost surely, 2^20461526452 is an apocalyptic number.

It is an amenable number.

20461526452 is a deficient number, since it is larger than the sum of its proper divisors (15572167244).

20461526452 is a wasteful number, since it uses less digits than its factorization.

20461526452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41967 (or 41965 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 20461526452 in words is "twenty billion, four hundred sixty-one million, five hundred twenty-six thousand, four hundred fifty-two".