32420135622 has 64 divisors (see below), whose sum is σ = 77384761344. Its totient is φ = 8853319200.

The previous prime is 32420135567. The next prime is 32420135653. The reversal of 32420135622 is 22653102423.

It is a self number, because there is not a number n which added to its sum of digits gives 32420135622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308247 + ... + 1332797.

It is an arithmetic number, because the mean of its divisors is an integer number (1209136896).

Almost surely, 2^32420135622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32420135622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38692380672).

32420135622 is an abundant number, since it is smaller than the sum of its proper divisors (44964625722).

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

32420135622 is a wasteful number, since it uses less digits than its factorization.

32420135622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25953.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 32420135622 in words is "thirty-two billion, four hundred twenty million, one hundred thirty-five thousand, six hundred twenty-two".