20002356902 has 8 divisors (see below), whose sum is σ = 32731129512. Its totient is φ = 9091980400.

The previous prime is 20002356901. The next prime is 20002356943. The reversal of 20002356902 is 20965320002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002356901) 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 3 ways as a sum of consecutive naturals, for example, 454598999 + ... + 454599042.

It is an arithmetic number, because the mean of its divisors is an integer number (4091391189).

Almost surely, 2^20002356902 is an apocalyptic number.

20002356902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002356902 is a deficient number, since it is larger than the sum of its proper divisors (12728772610).

20002356902 is a wasteful number, since it uses less digits than its factorization.

20002356902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909198054.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 20002356902 its reverse (20965320002), we get a palindrome (40967676904).

The spelling of 20002356902 in words is "twenty billion, two million, three hundred fifty-six thousand, nine hundred two".