120020011002 has 24 divisors (see below), whose sum is σ = 260164899540. Its totient is φ = 39987971520.

The previous prime is 120020010959. The next prime is 120020011019. The reversal of 120020011002 is 200110020021.

It can be written as a sum of positive squares in 2 ways, for example, as 114967786761 + 5052224241 = 339069^2 + 71079^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1518627 + ... + 1595702.

Almost surely, 2^120020011002 is an apocalyptic number.

120020011002 is an abundant number, since it is smaller than the sum of its proper divisors (140144888538).

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

120020011002 is a wasteful number, since it uses less digits than its factorization.

120020011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116478 (or 3116475 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020011002 its reverse (200110020021), we get a palindrome (320130031023).

The spelling of 120020011002 in words is "one hundred twenty billion, twenty million, eleven thousand, two".