20101400097 has 16 divisors (see below), whose sum is σ = 26907399168. Its totient is φ = 13348230480.

The previous prime is 20101400051. The next prime is 20101400119. The reversal of 20101400097 is 79000410102.

It is not a de Polignac number, because 20101400097 - 2¹¹ = 20101398049 is a prime.

It is a super-3 number, since 3×20101400097³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101400027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432638 + ... + 1446600.

It is an arithmetic number, because the mean of its divisors is an integer number (1681712448).

Almost surely, 2^20101400097 is an apocalyptic number.

It is an amenable number.

20101400097 is a deficient number, since it is larger than the sum of its proper divisors (6805999071).

20101400097 is a wasteful number, since it uses less digits than its factorization.

20101400097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 20101400097 its reverse (79000410102), we get a palindrome (99101810199).

The spelling of 20101400097 in words is "twenty billion, one hundred one million, four hundred thousand, ninety-seven".