20507416030 has 32 divisors (see below), whose sum is σ = 39303131040. Its totient is φ = 7677296640.

The previous prime is 20507415997. The next prime is 20507416037. The reversal of 20507416030 is 3061470502.

It is a super-2 number, since 2×20507416030² (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 20507416030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20507416037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306531 + ... + 367390.

It is an arithmetic number, because the mean of its divisors is an integer number (1228222845).

Almost surely, 2^20507416030 is an apocalyptic number.

20507416030 is a deficient number, since it is larger than the sum of its proper divisors (18795715010).

20507416030 is a wasteful number, since it uses less digits than its factorization.

20507416030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674124.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 20507416030 its reverse (3061470502), we get a palindrome (23568886532).

The spelling of 20507416030 in words is "twenty billion, five hundred seven million, four hundred sixteen thousand, thirty".