2030121031220 has 48 divisors (see below), whose sum is σ = 4321890925968. Its totient is φ = 800880721920.

The previous prime is 2030121031217. The next prime is 2030121031229. The reversal of 2030121031220 is 221301210302.

It can be written as a sum of positive squares in 8 ways, for example, as 694718916004 + 1335402115216 = 833498^2 + 1155596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030121031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44970260 + ... + 45015380.

It is an arithmetic number, because the mean of its divisors is an integer number (90039394291).

Almost surely, 2^{2030121031220} is an apocalyptic number.

2030121031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030121031220 is an abundant number, since it is smaller than the sum of its proper divisors (2291769894748).

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

2030121031220 is a wasteful number, since it uses less digits than its factorization.

2030121031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76020 (or 76018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2030121031220 its reverse (221301210302), we get a palindrome (2251422241522).

The spelling of 2030121031220 in words is "two trillion, thirty billion, one hundred twenty-one million, thirty-one thousand, two hundred twenty".