2141220020 has 12 divisors (see below), whose sum is σ = 4496562084. Its totient is φ = 856488000.

The previous prime is 2141219999. The next prime is 2141220041. The reversal of 2141220020 is 200221412.

It is an interprime number because it is at equal distance from previous prime (2141219999) and next prime (2141220041).

It can be written as a sum of positive squares in 2 ways, for example, as 1199098384 + 942121636 = 34628^2 + 30694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2141219977 and 2141220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53530481 + ... + 53530520.

It is an arithmetic number, because the mean of its divisors is an integer number (374713507).

Almost surely, 2^2141220020 is an apocalyptic number.

2141220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141220020 is an abundant number, since it is smaller than the sum of its proper divisors (2355342064).

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

2141220020 is a wasteful number, since it uses less digits than its factorization.

2141220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107061010 (or 107061008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2141220020 is about 46273.3186620541. The cubic root of 2141220020 is about 1288.9035853402.

Adding to 2141220020 its reverse (200221412), we get a palindrome (2341441432).

The spelling of 2141220020 in words is "two billion, one hundred forty-one million, two hundred twenty thousand, twenty".