20498087526 has 16 divisors (see below), whose sum is σ = 46852771584. Its totient is φ = 5856596424.

The previous prime is 20498087497. The next prime is 20498087527. The reversal of 20498087526 is 62578089402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20498087527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244024810 + ... + 244024893.

It is an arithmetic number, because the mean of its divisors is an integer number (2928298224).

Almost surely, 2^20498087526 is an apocalyptic number.

20498087526 is an abundant number, since it is smaller than the sum of its proper divisors (26354684058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20498087526 is a wasteful number, since it uses less digits than its factorization.

20498087526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488049715.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 20498087526 in words is "twenty billion, four hundred ninety-eight million, eighty-seven thousand, five hundred twenty-six".