32620022138 has 32 divisors (see below), whose sum is σ = 54665962560. Its totient is φ = 14470162560.

The previous prime is 32620022137. The next prime is 32620022147. The reversal of 32620022138 is 83122002623.

It is a super-2 number, since 2×32620022138² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32620022138.

It is not an unprimeable number, because it can be changed into a prime (32620022131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148606 + ... + 1176662.

It is an arithmetic number, because the mean of its divisors is an integer number (1708311330).

Almost surely, 2^32620022138 is an apocalyptic number.

32620022138 is a deficient number, since it is larger than the sum of its proper divisors (22045940422).

32620022138 is a wasteful number, since it uses less digits than its factorization.

32620022138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29342.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 32620022138 in words is "thirty-two billion, six hundred twenty million, twenty-two thousand, one hundred thirty-eight".