20030402000 has 160 divisors (see below), whose sum is σ = 57139390464. Its totient is φ = 6645888000.

The previous prime is 20030401981. The next prime is 20030402003. The reversal of 20030402000 is 20403002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030402003) 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 31 ways as a sum of consecutive naturals, for example, 410924 + ... + 457076.

Almost surely, 2^20030402000 is an apocalyptic number.

20030402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28569695232).

20030402000 is an abundant number, since it is smaller than the sum of its proper divisors (37108988464).

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

20030402000 is a wasteful number, since it uses less digits than its factorization.

20030402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46214 (or 46198 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20030402000 its reverse (20403002), we get a palindrome (20050805002).

The spelling of 20030402000 in words is "twenty billion, thirty million, four hundred two thousand".