1020020120120 has 32 divisors (see below), whose sum is σ = 2415837128400. Its totient is φ = 386533939968.

The previous prime is 1020020120113. The next prime is 1020020120179. The reversal of 1020020120120 is 210210200201.

It is a happy number.

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, 671065109 + ... + 671066628.

Almost surely, 2^{1020020120120} is an apocalyptic number.

1020020120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020120120 is an abundant number, since it is smaller than the sum of its proper divisors (1395817008280).

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

1020020120120 is a wasteful number, since it uses less digits than its factorization.

1020020120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342131767 (or 1342131763 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020020120120 its reverse (210210200201), we get a palindrome (1230230320321).

The spelling of 1020020120120 in words is "one trillion, twenty billion, twenty million, one hundred twenty thousand, one hundred twenty".