20575736572950 has 432 divisors, whose sum is σ = 60178486629456. Its totient is φ = 5037893452800.

The previous prime is 20575736572883. The next prime is 20575736572961. The reversal of 20575736572950 is 5927563757502.

20575736572950 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 5 + 7 + 3 + 6 + 572 + 9 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 21865819480 + ... + 21865820420.

It is an arithmetic number, because the mean of its divisors is an integer number (139302052383).

Almost surely, 2^{20575736572950} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20575736572950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30089243314728).

20575736572950 is an abundant number, since it is smaller than the sum of its proper divisors (39602750056506).

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

20575736572950 is a wasteful number, since it uses less digits than its factorization.

20575736572950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 138915000, while the sum is 63.

The spelling of 20575736572950 in words is "twenty trillion, five hundred seventy-five billion, seven hundred thirty-six million, five hundred seventy-two thousand, nine hundred fifty".