20020700710651 has 4 divisors (see below), whose sum is σ = 20020716983592. Its totient is φ = 20020684437712.

The previous prime is 20020700710607. The next prime is 20020700710669. The reversal of 20020700710651 is 15601700702002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020700710651 - 2¹⁵ = 20020700677883 is a prime.

It is a super-2 number, since 2×20020700710651² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020700711651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6125305 + ... + 8806858.

It is an arithmetic number, because the mean of its divisors is an integer number (5005179245898).

Almost surely, 2^{20020700710651} is an apocalyptic number.

20020700710651 is a deficient number, since it is larger than the sum of its proper divisors (16272941).

20020700710651 is a wasteful number, since it uses less digits than its factorization.

20020700710651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272940.

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 20020700710651 in words is "twenty trillion, twenty billion, seven hundred million, seven hundred ten thousand, six hundred fifty-one".