2057220242 has 32 divisors (see below), whose sum is σ = 3910356864. Its totient is φ = 788371200.

The previous prime is 2057220173. The next prime is 2057220247. The reversal of 2057220242 is 2420227502.

It is not an unprimeable number, because it can be changed into a prime (2057220247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100103 + ... + 118890.

It is an arithmetic number, because the mean of its divisors is an integer number (122198652).

Almost surely, 2^2057220242 is an apocalyptic number.

2057220242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2057220242 is a deficient number, since it is larger than the sum of its proper divisors (1853136622).

2057220242 is a wasteful number, since it uses less digits than its factorization.

2057220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219074.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2057220242 is about 45356.5898409481. The cubic root of 2057220242 is about 1271.8237468069.

Adding to 2057220242 its reverse (2420227502), we get a palindrome (4477447744).

The spelling of 2057220242 in words is "two billion, fifty-seven million, two hundred twenty thousand, two hundred forty-two".