2620221032 has 32 divisors (see below), whose sum is σ = 5771818080. Its totient is φ = 1099392960.

The previous prime is 2620221031. The next prime is 2620221053. The reversal of 2620221032 is 2301220262.

It is a junction number, because it is equal to n+sod(n) for n = 2620220995 and 2620221013.

It is not an unprimeable number, because it can be changed into a prime (2620221031) 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, 1144058 + ... + 1146345.

It is an arithmetic number, because the mean of its divisors is an integer number (180369315).

Almost surely, 2^2620221032 is an apocalyptic number.

2620221032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2620221032 is an abundant number, since it is smaller than the sum of its proper divisors (3151597048).

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

2620221032 is a wasteful number, since it uses less digits than its factorization.

2620221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290433 (or 2290429 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2620221032 is about 51188.0946314668. The cubic root of 2620221032 is about 1378.6244488446.

Adding to 2620221032 its reverse (2301220262), we get a palindrome (4921441294).

The spelling of 2620221032 in words is "two billion, six hundred twenty million, two hundred twenty-one thousand, thirty-two".