20003516551326 has 48 divisors (see below), whose sum is σ = 50256768868992. Its totient is φ = 5195718583440.

The previous prime is 20003516551253. The next prime is 20003516551391. The reversal of 20003516551326 is 62315561530002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1968070140 + ... + 1968080303.

It is an arithmetic number, because the mean of its divisors is an integer number (1047016018104).

Almost surely, 2^{20003516551326} is an apocalyptic number.

20003516551326 is an abundant number, since it is smaller than the sum of its proper divisors (30253252317666).

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

20003516551326 is a wasteful number, since it uses less digits than its factorization.

20003516551326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936150477 (or 3936150466 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 20003516551326 in words is "twenty trillion, three billion, five hundred sixteen million, five hundred fifty-one thousand, three hundred twenty-six".