20350020436254 has 128 divisors (see below), whose sum is σ = 48623687199360. Its totient is φ = 6286180608000.

The previous prime is 20350020436201. The next prime is 20350020436261. The reversal of 20350020436254 is 45263402005302.

20350020436254 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 0 + 0 + 20 + 4 + 3 + 625 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16175652 + ... + 17388264.

It is an arithmetic number, because the mean of its divisors is an integer number (379872556245).

Almost surely, 2^{20350020436254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20350020436254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24311843599680).

20350020436254 is an abundant number, since it is smaller than the sum of its proper divisors (28273666763106).

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

20350020436254 is a wasteful number, since it uses less digits than its factorization.

20350020436254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212923 (or 1212917 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 20350020436254 in words is "twenty trillion, three hundred fifty billion, twenty million, four hundred thirty-six thousand, two hundred fifty-four".