20003507021402 has 16 divisors (see below), whose sum is σ = 30385323970560. Its totient is φ = 9875067781488.

The previous prime is 20003507021371. The next prime is 20003507021419. The reversal of 20003507021402 is 20412070530002.

It is a super-2 number, since 2×20003507021402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21744743 + ... + 22645989.

It is an arithmetic number, because the mean of its divisors is an integer number (1899082748160).

Almost surely, 2^{20003507021402} is an apocalyptic number.

20003507021402 is a deficient number, since it is larger than the sum of its proper divisors (10381816949158).

20003507021402 is a wasteful number, since it uses less digits than its factorization.

20003507021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041805.

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 20003507021402 its reverse (20412070530002), we get a palindrome (40415577551404).

The spelling of 20003507021402 in words is "twenty trillion, three billion, five hundred seven million, twenty-one thousand, four hundred two".