20420011203 has 8 divisors (see below), whose sum is σ = 27319606608. Its totient is φ = 13566878304.

The previous prime is 20420011201. The next prime is 20420011207. The reversal of 20420011203 is 30211002402.

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

It is not a de Polignac number, because 20420011203 - 2¹ = 20420011201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20420011201) 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, 11614600 + ... + 11616357.

It is an arithmetic number, because the mean of its divisors is an integer number (3414950826).

Almost surely, 2^20420011203 is an apocalyptic number.

20420011203 is a deficient number, since it is larger than the sum of its proper divisors (6899595405).

20420011203 is a wasteful number, since it uses less digits than its factorization.

20420011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23231253.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20420011203 its reverse (30211002402), we get a palindrome (50631013605).

The spelling of 20420011203 in words is "twenty billion, four hundred twenty million, eleven thousand, two hundred three".