10012020080 has 40 divisors (see below), whose sum is σ = 23596836432. Its totient is φ = 3949945344.

The previous prime is 10012020079. The next prime is 10012020101. The reversal of 10012020080 is 8002021001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851354 + ... + 863033.

Almost surely, 2^10012020080 is an apocalyptic number.

10012020080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012020080 is an abundant number, since it is smaller than the sum of its proper divisors (13584816352).

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

10012020080 is a wasteful number, since it uses less digits than its factorization.

10012020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714473 (or 1714467 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012020080 its reverse (8002021001), we get a palindrome (18014041081).

The spelling of 10012020080 in words is "ten billion, twelve million, twenty thousand, eighty".