120221020210020 has 24 divisors (see below), whose sum is σ = 336618856588224. Its totient is φ = 32058938722656.

The previous prime is 120221020209923. The next prime is 120221020210069. The reversal of 120221020210020 is 20012020122021.

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 7 ways as a sum of consecutive naturals, for example, 1001841835024 + ... + 1001841835143.

It is an arithmetic number, because the mean of its divisors is an integer number (14025785691176).

Almost surely, 2^{120221020210020} is an apocalyptic number.

120221020210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221020210020 is an abundant number, since it is smaller than the sum of its proper divisors (216397836378204).

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

120221020210020 is a wasteful number, since it uses less digits than its factorization.

120221020210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003683670179 (or 2003683670177 counting only the distinct ones).

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

Adding to 120221020210020 its reverse (20012020122021), we get a palindrome (140233040332041).

The spelling of 120221020210020 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty million, two hundred ten thousand, twenty".