120020034062640 has 80 divisors (see below), whose sum is σ = 373258447001856. Its totient is φ = 31902431328000.

The previous prime is 120020034062623. The next prime is 120020034062681. The reversal of 120020034062640 is 46260430020021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 120020034062598 and 120020034062607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803918086 + ... + 804067365.

Almost surely, 2^{120020034062640} is an apocalyptic number.

120020034062640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020034062640 is an abundant number, since it is smaller than the sum of its proper divisors (253238412939216).

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

120020034062640 is a wasteful number, since it uses less digits than its factorization.

120020034062640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607985778 (or 1607985772 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 120020034062640 its reverse (46260430020021), we get a palindrome (166280464082661).

The spelling of 120020034062640 in words is "one hundred twenty trillion, twenty billion, thirty-four million, sixty-two thousand, six hundred forty".