205003480 has 32 divisors (see below), whose sum is σ = 503191440. Its totient is φ = 74546560.

The previous prime is 205003429. The next prime is 205003481. The reversal of 205003480 is 84300502.

It is a super-2 number, since 2×205003480² = 84052853624220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205003481) 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, 232519 + ... + 233398.

Almost surely, 2^205003480 is an apocalyptic number.

205003480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205003480 is an abundant number, since it is smaller than the sum of its proper divisors (298187960).

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

205003480 is a wasteful number, since it uses less digits than its factorization.

205003480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465939 (or 465935 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 205003480 is about 14317.9425896321. The cubic root of 205003480 is about 589.6401904599.

Adding to 205003480 its reverse (84300502), we get a palindrome (289303982).

The spelling of 205003480 in words is "two hundred five million, three thousand, four hundred eighty".