20435067302748 has 144 divisors (see below), whose sum is σ = 57882325052160. Its totient is φ = 5584341159936.

The previous prime is 20435067302707. The next prime is 20435067302801. The reversal of 20435067302748 is 84720376053402.

It is a self number, because there is not a number n which added to its sum of digits gives 20435067302748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224493468 + ... + 224584476.

It is an arithmetic number, because the mean of its divisors is an integer number (401960590640).

Almost surely, 2^{20435067302748} is an apocalyptic number.

20435067302748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20435067302748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28941162526080).

20435067302748 is an abundant number, since it is smaller than the sum of its proper divisors (37447257749412).

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

20435067302748 is a wasteful number, since it uses less digits than its factorization.

20435067302748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107656 (or 107647 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 20435067302748 in words is "twenty trillion, four hundred thirty-five billion, sixty-seven million, three hundred two thousand, seven hundred forty-eight".