20010011403 has 8 divisors (see below), whose sum is σ = 27401096848. Its totient is φ = 12979466784.

The previous prime is 20010011393. The next prime is 20010011407. The reversal of 20010011403 is 30411001002.

It is a happy number.

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

It is not a de Polignac number, because 20010011403 - 2¹⁶ = 20009945867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010011407) 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, 90135076 + ... + 90135297.

It is an arithmetic number, because the mean of its divisors is an integer number (3425137106).

Almost surely, 2^20010011403 is an apocalyptic number.

20010011403 is a deficient number, since it is larger than the sum of its proper divisors (7391085445).

20010011403 is a wasteful number, since it uses less digits than its factorization.

20010011403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180270413.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20010011403 its reverse (30411001002), we get a palindrome (50421012405).

The spelling of 20010011403 in words is "twenty billion, ten million, eleven thousand, four hundred three".