120020440342 has 16 divisors (see below), whose sum is σ = 196404093072. Its totient is φ = 54552798720.

The previous prime is 120020440321. The next prime is 120020440343. The reversal of 120020440342 is 243044020021.

It is a happy number.

It is a super-3 number, since 3×120020440342³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020440343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666238 + ... + 826990.

It is an arithmetic number, because the mean of its divisors is an integer number (12275255817).

Almost surely, 2^120020440342 is an apocalyptic number.

120020440342 is a deficient number, since it is larger than the sum of its proper divisors (76383652730).

120020440342 is a wasteful number, since it uses less digits than its factorization.

120020440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194703.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 120020440342 its reverse (243044020021), we get a palindrome (363064460363).

The spelling of 120020440342 in words is "one hundred twenty billion, twenty million, four hundred forty thousand, three hundred forty-two".