20367843452 has 24 divisors (see below), whose sum is σ = 38887959600. Its totient is φ = 9257183360.

The previous prime is 20367843403. The next prime is 20367843487. The reversal of 20367843452 is 25434876302.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624248 + ... + 656064.

It is an arithmetic number, because the mean of its divisors is an integer number (1620331650).

Almost surely, 2^20367843452 is an apocalyptic number.

20367843452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20367843452 is a deficient number, since it is larger than the sum of its proper divisors (18520116148).

20367843452 is a wasteful number, since it uses less digits than its factorization.

20367843452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46381 (or 46379 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 20367843452 in words is "twenty billion, three hundred sixty-seven million, eight hundred forty-three thousand, four hundred fifty-two".