2210122020 has 24 divisors (see below), whose sum is σ = 6188341824. Its totient is φ = 589365856.

The previous prime is 2210122007. The next prime is 2210122027. The reversal of 2210122020 is 202210122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2210121987 and 2210122005.

It is not an unprimeable number, because it can be changed into a prime (2210122027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18417624 + ... + 18417743.

It is an arithmetic number, because the mean of its divisors is an integer number (257847576).

Almost surely, 2^2210122020 is an apocalyptic number.

2210122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210122020 is an abundant number, since it is smaller than the sum of its proper divisors (3978219804).

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

2210122020 is a wasteful number, since it uses less digits than its factorization.

2210122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36835379 (or 36835377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2210122020 is about 47011.9348676482. The cubic root of 2210122020 is about 1302.5830338691.

Adding to 2210122020 its reverse (202210122), we get a palindrome (2412332142).

The spelling of 2210122020 in words is "two billion, two hundred ten million, one hundred twenty-two thousand, twenty".