20243764052620 has 24 divisors (see below), whose sum is σ = 42836422871088. Its totient is φ = 8035692600000.

The previous prime is 20243764052597. The next prime is 20243764052621. The reversal of 20243764052620 is 2625046734202.

It is a happy number.

It is a super-2 number, since 2×20243764052620² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20243764052621) 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, 3863311131 + ... + 3863316370.

It is an arithmetic number, because the mean of its divisors is an integer number (1784850952962).

Almost surely, 2^{20243764052620} is an apocalyptic number.

20243764052620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20243764052620 is an abundant number, since it is smaller than the sum of its proper divisors (22592658818468).

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

20243764052620 is a wasteful number, since it uses less digits than its factorization.

20243764052620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726627641 (or 7726627639 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 20243764052620 in words is "twenty trillion, two hundred forty-three billion, seven hundred sixty-four million, fifty-two thousand, six hundred twenty".