20010200120120 has 32 divisors (see below), whose sum is σ = 51454800309600. Its totient is φ = 6860640041088.

The previous prime is 20010200120093. The next prime is 20010200120191. The reversal of 20010200120120 is 2102100201002.

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, 35732499935 + ... + 35732500494.

It is an arithmetic number, because the mean of its divisors is an integer number (1607962509675).

Almost surely, 2^{20010200120120} is an apocalyptic number.

20010200120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010200120120 is an abundant number, since it is smaller than the sum of its proper divisors (31444600189480).

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

20010200120120 is a wasteful number, since it uses less digits than its factorization.

20010200120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71465000447 (or 71465000443 counting only the distinct ones).

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

Adding to 20010200120120 its reverse (2102100201002), we get a palindrome (22112300321122).

The spelling of 20010200120120 in words is "twenty trillion, ten billion, two hundred million, one hundred twenty thousand, one hundred twenty".