20350123445652 has 768 divisors, whose sum is σ = 66940253184000. Its totient is φ = 4739816632320.

The previous prime is 20350123445611. The next prime is 20350123445711. The reversal of 20350123445652 is 25654432105302.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2878780374 + ... + 2878787442.

It is an arithmetic number, because the mean of its divisors is an integer number (87161788000).

Almost surely, 2^{20350123445652} is an apocalyptic number.

20350123445652 is a gapful number since it is divisible by the number (22) 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 20350123445652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33470126592000).

20350123445652 is an abundant number, since it is smaller than the sum of its proper divisors (46590129738348).

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

20350123445652 is a wasteful number, since it uses less digits than its factorization.

20350123445652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7245 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 20350123445652 in words is "twenty trillion, three hundred fifty billion, one hundred twenty-three million, four hundred forty-five thousand, six hundred fifty-two".