20410666342620 has 192 divisors, whose sum is σ = 62408489472000. Its totient is φ = 4964466253824.

The previous prime is 20410666342609. The next prime is 20410666342721. The reversal of 20410666342620 is 2624366601402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10795701 + ... + 12544659.

It is an arithmetic number, because the mean of its divisors is an integer number (325044216000).

Almost surely, 2^{20410666342620} is an apocalyptic number.

20410666342620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20410666342620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31204244736000).

20410666342620 is an abundant number, since it is smaller than the sum of its proper divisors (41997823129380).

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

20410666342620 is a wasteful number, since it uses less digits than its factorization.

20410666342620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749372 (or 1749370 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 20410666342620 in words is "twenty trillion, four hundred ten billion, six hundred sixty-six million, three hundred forty-two thousand, six hundred twenty".