20533554815496 has 32 divisors (see below), whose sum is σ = 51335437608000. Its totient is φ = 6844311529280.

The previous prime is 20533554815491. The next prime is 20533554815507. The reversal of 20533554815496 is 69451845533502.

It is not an unprimeable number, because it can be changed into a prime (20533554815491) 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, 12109260 + ... + 13700411.

It is an arithmetic number, because the mean of its divisors is an integer number (1604232425250).

Almost surely, 2^{20533554815496} is an apocalyptic number.

It is an amenable number.

20533554815496 is an abundant number, since it is smaller than the sum of its proper divisors (30801882792504).

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

20533554815496 is a wasteful number, since it uses less digits than its factorization.

20533554815496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25842829 (or 25842825 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 60.

The spelling of 20533554815496 in words is "twenty trillion, five hundred thirty-three billion, five hundred fifty-four million, eight hundred fifteen thousand, four hundred ninety-six".