651103000420 has 12 divisors (see below), whose sum is σ = 1367316300924. Its totient is φ = 260441200160.

The previous prime is 651103000417. The next prime is 651103000421. The reversal of 651103000420 is 24000301156.

651103000420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 485499581284 + 165603419136 = 696778^2 + 406944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 651103000391 and 651103000400.

It is not an unprimeable number, because it can be changed into a prime (651103000421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16277574991 + ... + 16277575030.

It is an arithmetic number, because the mean of its divisors is an integer number (113943025077).

Almost surely, 2^651103000420 is an apocalyptic number.

It is an amenable number.

651103000420 is an abundant number, since it is smaller than the sum of its proper divisors (716213300504).

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

651103000420 is a wasteful number, since it uses less digits than its factorization.

651103000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32555150030 (or 32555150028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 651103000420 its reverse (24000301156), we get a palindrome (675103301576).

The spelling of 651103000420 in words is "six hundred fifty-one billion, one hundred three million, four hundred twenty", and thus it is an aban number.