20003340502 has 8 divisors (see below), whose sum is σ = 30007079712. Its totient is φ = 10000980600.

The previous prime is 20003340463. The next prime is 20003340509. The reversal of 20003340502 is 20504330002.

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

It is a super-2 number, since 2×20003340502² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20003340502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003340509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307774 + ... + 367057.

It is an arithmetic number, because the mean of its divisors is an integer number (3750884964).

Almost surely, 2^20003340502 is an apocalyptic number.

20003340502 is a deficient number, since it is larger than the sum of its proper divisors (10003739210).

20003340502 is a wasteful number, since it uses less digits than its factorization.

20003340502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689654.

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 20003340502 its reverse (20504330002), we get a palindrome (40507670504).

The spelling of 20003340502 in words is "twenty billion, three million, three hundred forty thousand, five hundred two".