651054126020 has 96 divisors (see below), whose sum is σ = 1410320491776. Its totient is φ = 252275212800.

The previous prime is 651054125957. The next prime is 651054126029. The reversal of 651054126020 is 20621450156.

It is not an unprimeable number, because it can be changed into a prime (651054126029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177348785 + ... + 177352455.

It is an arithmetic number, because the mean of its divisors is an integer number (14690838456).

Almost surely, 2^651054126020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651054126020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705160245888).

651054126020 is an abundant number, since it is smaller than the sum of its proper divisors (759266365756).

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

651054126020 is a wasteful number, since it uses less digits than its factorization.

651054126020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4699 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 651054126020 its reverse (20621450156), we get a palindrome (671675576176).

The spelling of 651054126020 in words is "six hundred fifty-one billion, fifty-four million, one hundred twenty-six thousand, twenty".