20262144346662 has 16 divisors (see below), whose sum is σ = 40560182673840. Its totient is φ = 6748065785472.

The previous prime is 20262144346643. The next prime is 20262144346667. The reversal of 20262144346662 is 26664344126202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20262144346667) 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, 1495575183 + ... + 1495588730.

It is an arithmetic number, because the mean of its divisors is an integer number (2535011417115).

Almost surely, 2^{20262144346662} is an apocalyptic number.

20262144346662 is an abundant number, since it is smaller than the sum of its proper divisors (20298038327178).

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

20262144346662 is a wasteful number, since it uses less digits than its factorization.

20262144346662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991165047.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 20262144346662 in words is "twenty trillion, two hundred sixty-two billion, one hundred forty-four million, three hundred forty-six thousand, six hundred sixty-two".