206420432 has 10 divisors (see below), whose sum is σ = 399939618. Its totient is φ = 103210208.

The previous prime is 206420411. The next prime is 206420471. The reversal of 206420432 is 234024602.

206420432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145829776 + 60590656 = 12076^2 + 7784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 206420398 and 206420407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450623 + ... + 6450654.

Almost surely, 2^206420432 is an apocalyptic number.

It is an amenable number.

206420432 is a deficient number, since it is larger than the sum of its proper divisors (193519186).

206420432 is a wasteful number, since it uses less digits than its factorization.

206420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901285 (or 12901279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 206420432 is about 14367.3390716583. The cubic root of 206420432 is about 590.9955727769.

The spelling of 206420432 in words is "two hundred six million, four hundred twenty thousand, four hundred thirty-two".