20212135004 has 12 divisors (see below), whose sum is σ = 35501759328. Its totient is φ = 10068775200.

The previous prime is 20212134997. The next prime is 20212135043. The reversal of 20212135004 is 40053121202.

It is a super-3 number, since 3×20212135004³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9321857 + ... + 9324024.

It is an arithmetic number, because the mean of its divisors is an integer number (2958479944).

Almost surely, 2^20212135004 is an apocalyptic number.

It is an amenable number.

20212135004 is a deficient number, since it is larger than the sum of its proper divisors (15289624324).

20212135004 is a wasteful number, since it uses less digits than its factorization.

20212135004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646156 (or 18646154 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20212135004 its reverse (40053121202), we get a palindrome (60265256206).

The spelling of 20212135004 in words is "twenty billion, two hundred twelve million, one hundred thirty-five thousand, four".