205208022 has 16 divisors (see below), whose sum is σ = 412544880. Its totient is φ = 68047872.

The previous prime is 205208021. The next prime is 205208023. The reversal of 205208022 is 220802502.

It is an interprime number because it is at equal distance from previous prime (205208021) and next prime (205208023).

It is a super-2 number, since 2×205208022² = 84220664586304968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205208022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205208021) 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, 87447 + ... + 89762.

It is an arithmetic number, because the mean of its divisors is an integer number (25784055).

Almost surely, 2^205208022 is an apocalyptic number.

205208022 is an abundant number, since it is smaller than the sum of its proper divisors (207336858).

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

205208022 is a wasteful number, since it uses less digits than its factorization.

205208022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177407.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 205208022 is about 14325.0836646771. The cubic root of 205208022 is about 589.8362295621.

It can be divided in two parts, 20520 and 8022, that multiplied together give a triangular number (164611440 = T₁₈₁₄₄).

The spelling of 205208022 in words is "two hundred five million, two hundred eight thousand, twenty-two".