20030402002 has 16 divisors (see below), whose sum is σ = 33045247872. Its totient is φ = 9048102480.

The previous prime is 20030401981. The next prime is 20030402003. The reversal of 20030402002 is 20020403002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20030402003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8194524 + ... + 8196967.

It is an arithmetic number, because the mean of its divisors is an integer number (2065327992).

Almost surely, 2^20030402002 is an apocalyptic number.

20030402002 is a deficient number, since it is larger than the sum of its proper divisors (13014845870).

20030402002 is a wasteful number, since it uses less digits than its factorization.

20030402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391553.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20030402002 its reverse (20020403002), we get a palindrome (40050805004).

The spelling of 20030402002 in words is "twenty billion, thirty million, four hundred two thousand, two".