10020020191910 has 32 divisors (see below), whose sum is σ = 18083164099392. Its totient is φ = 3997548063360.

The previous prime is 10020020191903. The next prime is 10020020191913. The reversal of 10020020191910 is 1919102002001.

It is a super-2 number, since 2×10020020191910² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020020191910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020020191913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5458247 + ... + 7059213.

It is an arithmetic number, because the mean of its divisors is an integer number (565098878106).

Almost surely, 2^{10020020191910} is an apocalyptic number.

10020020191910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020020191910 is a deficient number, since it is larger than the sum of its proper divisors (8063143907482).

10020020191910 is a wasteful number, since it uses less digits than its factorization.

10020020191910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602608.

The product of its (nonzero) digits is 324, while the sum is 26.

Adding to 10020020191910 its reverse (1919102002001), we get a palindrome (11939122193911).

The spelling of 10020020191910 in words is "ten trillion, twenty billion, twenty million, one hundred ninety-one thousand, nine hundred ten".