20350352621652 has 24 divisors (see below), whose sum is σ = 48152947050432. Its totient is φ = 6687909312000.

The previous prime is 20350352621597. The next prime is 20350352621693. The reversal of 20350352621652 is 25612625305302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11942694349 + ... + 11942696052.

It is an arithmetic number, because the mean of its divisors is an integer number (2006372793768).

Almost surely, 2^{20350352621652} is an apocalyptic number.

It is an amenable number.

20350352621652 is an abundant number, since it is smaller than the sum of its proper divisors (27802594428780).

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

20350352621652 is a wasteful number, since it uses less digits than its factorization.

20350352621652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885390479 (or 23885390477 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 20350352621652 its reverse (25612625305302), we get a palindrome (45962977926954).

The spelling of 20350352621652 in words is "twenty trillion, three hundred fifty billion, three hundred fifty-two million, six hundred twenty-one thousand, six hundred fifty-two".