120021120202020 has 48 divisors (see below), whose sum is σ = 336366601650240. Its totient is φ = 31976349664896.

The previous prime is 120021120202013. The next prime is 120021120202031. The reversal of 120021120202020 is 20202021120021.

It is a super-2 number, since 2×120021120202020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915008530 + ... + 915139689.

It is an arithmetic number, because the mean of its divisors is an integer number (7007637534380).

Almost surely, 2^{120021120202020} is an apocalyptic number.

120021120202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021120202020 is an abundant number, since it is smaller than the sum of its proper divisors (216345481448220).

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

120021120202020 is a wasteful number, since it uses less digits than its factorization.

120021120202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830149324 (or 1830149322 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120021120202020 its reverse (20202021120021), we get a palindrome (140223141322041).

The spelling of 120021120202020 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, two hundred two thousand, twenty".