106540432220 has 24 divisors (see below), whose sum is σ = 225074644704. Its totient is φ = 42360984896.

The previous prime is 106540432189. The next prime is 106540432241. The reversal of 106540432220 is 22234045601.

It is a super-2 number, since 2×106540432220² (a number of 23 digits) contains 22 as substring.

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, 15945827 + ... + 15952506.

It is an arithmetic number, because the mean of its divisors is an integer number (9378110196).

Almost surely, 2^106540432220 is an apocalyptic number.

106540432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106540432220 is an abundant number, since it is smaller than the sum of its proper divisors (118534212484).

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

106540432220 is a wasteful number, since it uses less digits than its factorization.

106540432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31898509 (or 31898507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 106540432220 its reverse (22234045601), we get a palindrome (128774477821).

The spelling of 106540432220 in words is "one hundred six billion, five hundred forty million, four hundred thirty-two thousand, two hundred twenty".