20122331142 has 8 divisors (see below), whose sum is σ = 40244662296. Its totient is φ = 6707443712.

The previous prime is 20122331137. The next prime is 20122331153. The reversal of 20122331142 is 24113322102.

It is a sphenic number, since it is the product of 3 distinct primes.

20122331142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676860923 + ... + 1676860934.

It is an arithmetic number, because the mean of its divisors is an integer number (5030582787).

Almost surely, 2^20122331142 is an apocalyptic number.

20122331142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20122331142 is a wasteful number, since it uses less digits than its factorization.

20122331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353721862.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20122331142 its reverse (24113322102), we get a palindrome (44235653244).

The spelling of 20122331142 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-one thousand, one hundred forty-two".