20537413526 has 32 divisors (see below), whose sum is σ = 35467610880. Its totient is φ = 8736732576.

The previous prime is 20537413489. The next prime is 20537413537. The reversal of 20537413526 is 62531473502.

It is a self number, because there is not a number n which added to its sum of digits gives 20537413526.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1955000 + ... + 1965476.

It is an arithmetic number, because the mean of its divisors is an integer number (1108362840).

Almost surely, 2^20537413526 is an apocalyptic number.

20537413526 is a deficient number, since it is larger than the sum of its proper divisors (14930197354).

20537413526 is a wasteful number, since it uses less digits than its factorization.

20537413526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11508.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 20537413526 in words is "twenty billion, five hundred thirty-seven million, four hundred thirteen thousand, five hundred twenty-six".