20302100001 has 24 divisors (see below), whose sum is σ = 31168413120. Its totient is φ = 12697878816.

The previous prime is 20302099969. The next prime is 20302100113. The reversal of 20302100001 is 10000120302.

It is a happy number.

It is not a de Polignac number, because 20302100001 - 2⁵ = 20302099969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20302104001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558726 + ... + 593951.

It is an arithmetic number, because the mean of its divisors is an integer number (1298683880).

Almost surely, 2^20302100001 is an apocalyptic number.

It is an amenable number.

20302100001 is a deficient number, since it is larger than the sum of its proper divisors (10866313119).

20302100001 is a wasteful number, since it uses less digits than its factorization.

20302100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152805 (or 1152802 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20302100001 its reverse (10000120302), we get a palindrome (30302220303).

It can be divided in two parts, 20302 and 100001, that multiplied together give a palindrome (2030220302).

The spelling of 20302100001 in words is "twenty billion, three hundred two million, one hundred thousand, one".