20403200130 has 32 divisors (see below), whose sum is σ = 49003757568. Its totient is φ = 5436844800.

The previous prime is 20403200087. The next prime is 20403200137. The reversal of 20403200130 is 3100230402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20403200137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209026 + ... + 290685.

It is an arithmetic number, because the mean of its divisors is an integer number (1531367424).

Almost surely, 2^20403200130 is an apocalyptic number.

20403200130 is an abundant number, since it is smaller than the sum of its proper divisors (28600557438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20403200130 is a wasteful number, since it uses less digits than its factorization.

20403200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501082.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20403200130 its reverse (3100230402), we get a palindrome (23503430532).

The spelling of 20403200130 in words is "twenty billion, four hundred three million, two hundred thousand, one hundred thirty".