206400020692 has 24 divisors (see below), whose sum is σ = 364620027744. Its totient is φ = 102223104672.

The previous prime is 206400020663. The next prime is 206400020693. The reversal of 206400020692 is 296020004602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206400020693) 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, 4215858 + ... + 4264534.

It is an arithmetic number, because the mean of its divisors is an integer number (15192501156).

Almost surely, 2^206400020692 is an apocalyptic number.

It is an amenable number.

206400020692 is a deficient number, since it is larger than the sum of its proper divisors (158220007052).

206400020692 is a wasteful number, since it uses less digits than its factorization.

206400020692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58695 (or 58693 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 206400020692 in words is "two hundred six billion, four hundred million, twenty thousand, six hundred ninety-two".