2057205172 has 24 divisors (see below), whose sum is σ = 3936294432. Its totient is φ = 932973600.

The previous prime is 2057205127. The next prime is 2057205179. The reversal of 2057205172 is 2715027502.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057205179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33279 + ... + 72262.

It is an arithmetic number, because the mean of its divisors is an integer number (164012268).

Almost surely, 2^2057205172 is an apocalyptic number.

2057205172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2057205172 is a deficient number, since it is larger than the sum of its proper divisors (1879089260).

2057205172 is a wasteful number, since it uses less digits than its factorization.

2057205172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105999 (or 105997 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 2057205172 is about 45356.4237126341. The cubic root of 2057205172 is about 1271.8206412521.

The spelling of 2057205172 in words is "two billion, fifty-seven million, two hundred five thousand, one hundred seventy-two".