20003455101 has 8 divisors (see below), whose sum is σ = 30481455424. Its totient is φ = 11430545760.

The previous prime is 20003455099. The next prime is 20003455103. The reversal of 20003455101 is 10155430002.

It is an interprime number because it is at equal distance from previous prime (20003455099) and next prime (20003455103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20003455101 - 2¹ = 20003455099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 952545481 = 20003455101 / (2 + 0 + 0 + 0 + 3 + 4 + 5 + 5 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003455103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476272720 + ... + 476272761.

It is an arithmetic number, because the mean of its divisors is an integer number (3810181928).

Almost surely, 2^20003455101 is an apocalyptic number.

20003455101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20003455101 is a deficient number, since it is larger than the sum of its proper divisors (10478000323).

20003455101 is an equidigital number, since it uses as much as digits as its factorization.

20003455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952545491.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20003455101 its reverse (10155430002), we get a palindrome (30158885103).

The spelling of 20003455101 in words is "twenty billion, three million, four hundred fifty-five thousand, one hundred one".