206020988624 has 40 divisors (see below), whose sum is σ = 454386220992. Its totient is φ = 89574341120.

The previous prime is 206020988603. The next prime is 206020988627. The reversal of 206020988624 is 426889020602.

It is a super-2 number, since 2×206020988624² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206020988627) 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, 25443209 + ... + 25451304.

Almost surely, 2^206020988624 is an apocalyptic number.

It is an amenable number.

206020988624 is an abundant number, since it is smaller than the sum of its proper divisors (248365232368).

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

206020988624 is a wasteful number, since it uses less digits than its factorization.

206020988624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50894555 (or 50894549 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 206020988624 in words is "two hundred six billion, twenty million, nine hundred eighty-eight thousand, six hundred twenty-four".