1020210021080 has 64 divisors (see below), whose sum is σ = 2404886215680. Its totient is φ = 389025648000.

The previous prime is 1020210021079. The next prime is 1020210021101. The reversal of 1020210021080 is 801200120201.

It is a happy number.

It is a super-2 number, since 2×1020210021080² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6056846 + ... + 6223005.

It is an arithmetic number, because the mean of its divisors is an integer number (37576347120).

Almost surely, 2^{1020210021080} is an apocalyptic number.

1020210021080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020210021080 is an abundant number, since it is smaller than the sum of its proper divisors (1384676194600).

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

1020210021080 is a wasteful number, since it uses less digits than its factorization.

1020210021080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279960 (or 12279956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1020210021080 its reverse (801200120201), we get a palindrome (1821410141281).

The spelling of 1020210021080 in words is "one trillion, twenty billion, two hundred ten million, twenty-one thousand, eighty".