120022001020 has 24 divisors (see below), whose sum is σ = 252139908384. Its totient is φ = 47990951616.

The previous prime is 120022000991. The next prime is 120022001051. The reversal of 120022001020 is 20100220021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120022000988 and 120022001006.

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, 1060344 + ... + 1168063.

It is an arithmetic number, because the mean of its divisors is an integer number (10505829516).

Almost surely, 2^120022001020 is an apocalyptic number.

120022001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022001020 is an abundant number, since it is smaller than the sum of its proper divisors (132117907364).

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

120022001020 is a wasteful number, since it uses less digits than its factorization.

120022001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231109 (or 2231107 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120022001020 its reverse (20100220021), we get a palindrome (140122221041).

The spelling of 120022001020 in words is "one hundred twenty billion, twenty-two million, one thousand, twenty".