20763168 has 48 divisors (see below), whose sum is σ = 54756576. Its totient is φ = 6888960.

The previous prime is 20763167. The next prime is 20763173. The reversal of 20763168 is 86136702.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20763168² = 862218290792448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20763163) 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, 29703 + ... + 30393.

It is an arithmetic number, because the mean of its divisors is an integer number (1140762).

Almost surely, 2^20763168 is an apocalyptic number.

It is an amenable number.

20763168 is an abundant number, since it is smaller than the sum of its proper divisors (33993408).

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

20763168 is a wasteful number, since it uses less digits than its factorization.

20763168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20763168 is about 4556.6619361107. The cubic root of 20763168 is about 274.8513488623.

The spelling of 20763168 in words is "twenty million, seven hundred sixty-three thousand, one hundred sixty-eight".