20606442884260 has 24 divisors (see below), whose sum is σ = 43336154586816. Its totient is φ = 8230648671840.

The previous prime is 20606442884243. The next prime is 20606442884263. The reversal of 20606442884260 is 6248824460602.

It is a junction number, because it is equal to n+sod(n) for n = 20606442884198 and 20606442884207.

It is not an unprimeable number, because it can be changed into a prime (20606442884263) 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, 745515952 + ... + 745543591.

It is an arithmetic number, because the mean of its divisors is an integer number (1805673107784).

Almost surely, 2^{20606442884260} is an apocalyptic number.

20606442884260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20606442884260 is an abundant number, since it is smaller than the sum of its proper divisors (22729711702556).

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

20606442884260 is a wasteful number, since it uses less digits than its factorization.

20606442884260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491060243 (or 1491060241 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 52.

The spelling of 20606442884260 in words is "twenty trillion, six hundred six billion, four hundred forty-two million, eight hundred eighty-four thousand, two hundred sixty".