206054355260 has 72 divisors (see below), whose sum is σ = 469731857616. Its totient is φ = 75891379200.

The previous prime is 206054355257. The next prime is 206054355277. The reversal of 206054355260 is 62553450602.

It is a super-2 number, since 2×206054355260² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279367 + ... + 1431393.

It is an arithmetic number, because the mean of its divisors is an integer number (6524053578).

Almost surely, 2^206054355260 is an apocalyptic number.

206054355260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206054355260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234865928808).

206054355260 is an abundant number, since it is smaller than the sum of its proper divisors (263677502356).

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

206054355260 is a wasteful number, since it uses less digits than its factorization.

206054355260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152463 (or 152448 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 206054355260 in words is "two hundred six billion, fifty-four million, three hundred fifty-five thousand, two hundred sixty".