20122341240 has 64 divisors (see below), whose sum is σ = 61651445760. Its totient is φ = 5251786880.

The previous prime is 20122341209. The next prime is 20122341259. The reversal of 20122341240 is 4214322102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778256 + ... + 1789535.

It is an arithmetic number, because the mean of its divisors is an integer number (963303840).

Almost surely, 2^20122341240 is an apocalyptic number.

20122341240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122341240 is an abundant number, since it is smaller than the sum of its proper divisors (41529104520).

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

20122341240 is a wasteful number, since it uses less digits than its factorization.

20122341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567852 (or 3567848 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20122341240 its reverse (4214322102), we get a palindrome (24336663342).

The spelling of 20122341240 in words is "twenty billion, one hundred twenty-two million, three hundred forty-one thousand, two hundred forty".