20810300901 has 16 divisors (see below), whose sum is σ = 30082012800. Its totient is φ = 12720386880.

The previous prime is 20810300897. The next prime is 20810300923. The reversal of 20810300901 is 10900301802.

It is not a de Polignac number, because 20810300901 - 2² = 20810300897 is a prime.

It is a super-2 number, since 2×20810300901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20810310901) 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, 1784785 + ... + 1796406.

It is an arithmetic number, because the mean of its divisors is an integer number (1880125800).

Almost surely, 2^20810300901 is an apocalyptic number.

It is an amenable number.

20810300901 is a deficient number, since it is larger than the sum of its proper divisors (9271711899).

20810300901 is a wasteful number, since it uses less digits than its factorization.

20810300901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581356.

The product of its (nonzero) digits is 432, while the sum is 24.

Subtracting from 20810300901 its reverse (10900301802), we obtain a palindrome (9909999099).

The spelling of 20810300901 in words is "twenty billion, eight hundred ten million, three hundred thousand, nine hundred one".