769021121020 has 24 divisors (see below), whose sum is σ = 1623966397200. Its totient is φ = 305889964032.

The previous prime is 769021120949. The next prime is 769021121021. The reversal of 769021121020 is 20121120967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769021121021) 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, 107401605 + ... + 107408764.

It is an arithmetic number, because the mean of its divisors is an integer number (67665266550).

Almost surely, 2^769021121020 is an apocalyptic number.

It is an amenable number.

769021121020 is an abundant number, since it is smaller than the sum of its proper divisors (854945276180).

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

769021121020 is a wasteful number, since it uses less digits than its factorization.

769021121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214810557 (or 214810555 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 769021121020 its reverse (20121120967), we get a palindrome (789142241987).

The spelling of 769021121020 in words is "seven hundred sixty-nine billion, twenty-one million, one hundred twenty-one thousand, twenty".