20100191820010 has 16 divisors (see below), whose sum is σ = 36181675387872. Its totient is φ = 8039781147600.

The previous prime is 20100191819957. The next prime is 20100191820031. The reversal of 20100191820010 is 1002819100102.

It is a super-2 number, since 2×20100191820010² (a number of 27 digits) contains 22 as substring.

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, 36661836 + ... + 37206055.

It is an arithmetic number, because the mean of its divisors is an integer number (2261354711742).

Almost surely, 2^{20100191820010} is an apocalyptic number.

20100191820010 is a deficient number, since it is larger than the sum of its proper divisors (16081483567862).

20100191820010 is a wasteful number, since it uses less digits than its factorization.

20100191820010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73895109.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 20100191820010 in words is "twenty trillion, one hundred billion, one hundred ninety-one million, eight hundred twenty thousand, ten".