20466220554210 has 64 divisors (see below), whose sum is σ = 51335763517440. Its totient is φ = 5212096021440.

The previous prime is 20466220554193. The next prime is 20466220554217. The reversal of 20466220554210 is 1245502266402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20466220554217) 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, 23067930 + ... + 23938709.

It is an arithmetic number, because the mean of its divisors is an integer number (802121304960).

Almost surely, 2^{20466220554210} is an apocalyptic number.

20466220554210 is an abundant number, since it is smaller than the sum of its proper divisors (30869542963230).

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

20466220554210 is a wasteful number, since it uses less digits than its factorization.

20466220554210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47007303.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 20466220554210 in words is "twenty trillion, four hundred sixty-six billion, two hundred twenty million, five hundred fifty-four thousand, two hundred ten".