20211010212008 has 48 divisors (see below), whose sum is σ = 47604445556640. Its totient is φ = 7874419560480.

The previous prime is 20211010212007. The next prime is 20211010212091. The reversal of 20211010212008 is 80021201011202.

It is a super-2 number, since 2×20211010212008² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211010212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1491360566 + ... + 1491374117.

It is an arithmetic number, because the mean of its divisors is an integer number (991759282430).

Almost surely, 2^{20211010212008} is an apocalyptic number.

20211010212008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20211010212008 is an abundant number, since it is smaller than the sum of its proper divisors (27393435344632).

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

20211010212008 is a wasteful number, since it uses less digits than its factorization.

20211010212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982734718 (or 2982734703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 20211010212008 in words is "twenty trillion, two hundred eleven billion, ten million, two hundred twelve thousand, eight".