20364262620620 has 24 divisors (see below), whose sum is σ = 42791236114704. Its totient is φ = 8140698455616.

The previous prime is 20364262620601. The next prime is 20364262620643. The reversal of 20364262620620 is 2602626246302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312878687 + ... + 312943766.

It is an arithmetic number, because the mean of its divisors is an integer number (1782968171446).

Almost surely, 2^{20364262620620} is an apocalyptic number.

20364262620620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20364262620620 is an abundant number, since it is smaller than the sum of its proper divisors (22426973494084).

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

20364262620620 is a wasteful number, since it uses less digits than its factorization.

20364262620620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625824089 (or 625824087 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

Adding to 20364262620620 its reverse (2602626246302), we get a palindrome (22966888866922).

The spelling of 20364262620620 in words is "twenty trillion, three hundred sixty-four billion, two hundred sixty-two million, six hundred twenty thousand, six hundred twenty".