20350621662 has 16 divisors (see below), whose sum is σ = 46515706752. Its totient is φ = 5814463320.

The previous prime is 20350621649. The next prime is 20350621699. The reversal of 20350621662 is 26612605302.

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, 242269264 + ... + 242269347.

It is an arithmetic number, because the mean of its divisors is an integer number (2907231672).

Almost surely, 2^20350621662 is an apocalyptic number.

20350621662 is an abundant number, since it is smaller than the sum of its proper divisors (26165085090).

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

20350621662 is a wasteful number, since it uses less digits than its factorization.

20350621662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484538623.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20350621662 in words is "twenty billion, three hundred fifty million, six hundred twenty-one thousand, six hundred sixty-two".