20531506000510 has 16 divisors (see below), whose sum is σ = 37654007232096. Its totient is φ = 8057647637728.

The previous prime is 20531506000507. The next prime is 20531506000531. The reversal of 20531506000510 is 1500060513502.

It is a super-2 number, since 2×20531506000510² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19369344754 + ... + 19369345813.

It is an arithmetic number, because the mean of its divisors is an integer number (2353375452006).

Almost surely, 2^{20531506000510} is an apocalyptic number.

20531506000510 is a deficient number, since it is larger than the sum of its proper divisors (17122501231586).

20531506000510 is a wasteful number, since it uses less digits than its factorization.

20531506000510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738690627.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 20531506000510 in words is "twenty trillion, five hundred thirty-one billion, five hundred six million, five hundred ten", and thus it is an aban number.