20420033002402 has 32 divisors (see below), whose sum is σ = 35979827970240. Its totient is φ = 8587777850880.

The previous prime is 20420033002393. The next prime is 20420033002427.

20420033002402 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 462681483 + ... + 462725614.

It is an arithmetic number, because the mean of its divisors is an integer number (1124369624070).

Almost surely, 2^{20420033002402} is an apocalyptic number.

20420033002402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20420033002402 is a deficient number, since it is larger than the sum of its proper divisors (15559794967838).

20420033002402 is a wasteful number, since it uses less digits than its factorization.

20420033002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925407186.

The product of its (nonzero) digits is 2304, while the sum is 22.

It can be divided in two parts, 2042003 and 3002402, that added together give a palindrome (5044405).

The spelling of 20420033002402 in words is "twenty trillion, four hundred twenty billion, thirty-three million, two thousand, four hundred two".