20452512000621 has 32 divisors (see below), whose sum is σ = 28957217827968. Its totient is φ = 12796058695680.

The previous prime is 20452512000593. The next prime is 20452512000629. The reversal of 20452512000621 is 12600021525402.

It is not a de Polignac number, because 20452512000621 - 2¹⁰ = 20452511999597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452512000629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36344025 + ... + 36902481.

It is an arithmetic number, because the mean of its divisors is an integer number (904913057124).

Almost surely, 2^{20452512000621} is an apocalyptic number.

It is an amenable number.

20452512000621 is a deficient number, since it is larger than the sum of its proper divisors (8504705827347).

20452512000621 is a wasteful number, since it uses less digits than its factorization.

20452512000621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560541.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 20452512000621 in words is "twenty trillion, four hundred fifty-two billion, five hundred twelve million, six hundred twenty-one", and thus it is an aban number.