20773400 has 24 divisors (see below), whose sum is σ = 48298620. Its totient is φ = 8309280.

The previous prime is 20773399. The next prime is 20773427. The reversal of 20773400 is 437702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51734 + ... + 52133.

Almost surely, 2^20773400 is an apocalyptic number.

20773400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20773400 is an abundant number, since it is smaller than the sum of its proper divisors (27525220).

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

20773400 is a wasteful number, since it uses less digits than its factorization.

20773400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103883 (or 103874 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 20773400 is about 4557.7845495372. The cubic root of 20773400 is about 274.8964899693.

The spelling of 20773400 in words is "twenty million, seven hundred seventy-three thousand, four hundred".