1020471768 has 24 divisors (see below), whose sum is σ = 2763777900. Its totient is φ = 340157232.

The previous prime is 1020471761. The next prime is 1020471787. The reversal of 1020471768 is 8671740201.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020471761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7086538 + ... + 7086681.

Almost surely, 2^1020471768 is an apocalyptic number.

1020471768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1020471768 is an abundant number, since it is smaller than the sum of its proper divisors (1743306132).

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

1020471768 is a wasteful number, since it uses less digits than its factorization.

1020471768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173231 (or 14173224 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1020471768 is about 31944.8238060566. The cubic root of 1020471768 is about 1006.7778792287. Note that the first 3 decimals are identical.

The spelling of 1020471768 in words is "one billion, twenty million, four hundred seventy-one thousand, seven hundred sixty-eight".