768722020 has 24 divisors (see below), whose sum is σ = 1761072768. Its totient is φ = 279535200.

The previous prime is 768722011. The next prime is 768722029. The reversal of 768722020 is 20227867.

It is an interprime number because it is at equal distance from previous prime (768722011) and next prime (768722029).

It is not an unprimeable number, because it can be changed into a prime (768722029) 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, 1746876 + ... + 1747315.

It is an arithmetic number, because the mean of its divisors is an integer number (73378032).

Almost surely, 2^768722020 is an apocalyptic number.

It is an amenable number.

768722020 is an abundant number, since it is smaller than the sum of its proper divisors (992350748).

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

768722020 is a wasteful number, since it uses less digits than its factorization.

768722020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494211 (or 3494209 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 768722020 is about 27725.8366871047. The cubic root of 768722020 is about 916.0582856068.

Adding to 768722020 its reverse (20227867), we get a palindrome (788949887).

The spelling of 768722020 in words is "seven hundred sixty-eight million, seven hundred twenty-two thousand, twenty".