2772352420 has 12 divisors (see below), whose sum is σ = 5821940124. Its totient is φ = 1108940960.

The previous prime is 2772352399. The next prime is 2772352423. The reversal of 2772352420 is 242532772.

It can be written as a sum of positive squares in 2 ways, for example, as 1138252644 + 1634099776 = 33738^2 + 40424^2 .

It is not an unprimeable number, because it can be changed into a prime (2772352423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69308791 + ... + 69308830.

It is an arithmetic number, because the mean of its divisors is an integer number (485161677).

Almost surely, 2^2772352420 is an apocalyptic number.

2772352420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772352420 is an abundant number, since it is smaller than the sum of its proper divisors (3049587704).

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

2772352420 is a wasteful number, since it uses less digits than its factorization.

2772352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138617630 (or 138617628 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2772352420 is about 52653.1330501804. The cubic root of 2772352420 is about 1404.8053275702.

It can be divided in two parts, 2772352 and 420, that added together give a palindrome (2772772).

The spelling of 2772352420 in words is "two billion, seven hundred seventy-two million, three hundred fifty-two thousand, four hundred twenty".