20403010002 has 32 divisors (see below), whose sum is σ = 41418653760. Its totient is φ = 6699620160.

The previous prime is 20403009961. The next prime is 20403010013. The reversal of 20403010002 is 20001030402.

It is a self number, because there is not a number n which added to its sum of digits gives 20403010002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22977 + ... + 203307.

It is an arithmetic number, because the mean of its divisors is an integer number (1294332930).

Almost surely, 2^20403010002 is an apocalyptic number.

20403010002 is an abundant number, since it is smaller than the sum of its proper divisors (21015643758).

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

20403010002 is a wasteful number, since it uses less digits than its factorization.

20403010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180618.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20403010002 its reverse (20001030402), we get a palindrome (40404040404).

The spelling of 20403010002 in words is "twenty billion, four hundred three million, ten thousand, two".