20701235002 has 64 divisors (see below), whose sum is σ = 38012509440. Its totient is φ = 8253305856.

The previous prime is 20701234973. The next prime is 20701235017. The reversal of 20701235002 is 20053210702.

It is a super-2 number, since 2×20701235002² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 18666024 + ... + 18667132.

It is an arithmetic number, because the mean of its divisors is an integer number (593945460).

Almost surely, 2^20701235002 is an apocalyptic number.

20701235002 is a deficient number, since it is larger than the sum of its proper divisors (17311274438).

20701235002 is a wasteful number, since it uses less digits than its factorization.

20701235002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its (nonzero) digits is 840, while the sum is 22.

Adding to 20701235002 its reverse (20053210702), we get a palindrome (40754445704).

The spelling of 20701235002 in words is "twenty billion, seven hundred one million, two hundred thirty-five thousand, two".