120020132021 has 16 divisors (see below), whose sum is σ = 122002675200. Its totient is φ = 118051465968.

The previous prime is 120020132009. The next prime is 120020132033. The reversal of 120020132021 is 120231020021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120020132009) and next prime (120020132033).

It is a cyclic number.

It is not a de Polignac number, because 120020132021 - 2¹⁸ = 120019869877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120020131987 and 120020132005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020132041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21281120 + ... + 21286758.

It is an arithmetic number, because the mean of its divisors is an integer number (7625167200).

Almost surely, 2^120020132021 is an apocalyptic number.

It is an amenable number.

120020132021 is a deficient number, since it is larger than the sum of its proper divisors (1982543179).

120020132021 is an equidigital number, since it uses as much as digits as its factorization.

120020132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120020132021 its reverse (120231020021), we get a palindrome (240251152042).

The spelling of 120020132021 in words is "one hundred twenty billion, twenty million, one hundred thirty-two thousand, twenty-one".