20217935622 has 32 divisors (see below), whose sum is σ = 40875633792. Its totient is φ = 6666096384.

The previous prime is 20217935537. The next prime is 20217935651. The reversal of 20217935622 is 22653971202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147693 + ... + 1165175.

It is an arithmetic number, because the mean of its divisors is an integer number (1277363556).

Almost surely, 2^20217935622 is an apocalyptic number.

20217935622 is an abundant number, since it is smaller than the sum of its proper divisors (20657698170).

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

20217935622 is a wasteful number, since it uses less digits than its factorization.

20217935622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19572.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 20217935622 in words is "twenty billion, two hundred seventeen million, nine hundred thirty-five thousand, six hundred twenty-two".