70007020020 has 144 divisors (see below), whose sum is σ = 242760405888. Its totient is φ = 15997029120.

The previous prime is 70007019991. The next prime is 70007020067. The reversal of 70007020020 is 2002070007.

70007020020 is a nontrivial binomial coefficient, being equal to C(374185, 2).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70007019975 and 70007020002.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 6542875 + ... + 6553565.

It is an arithmetic number, because the mean of its divisors is an integer number (1685836152).

Almost surely, 2^70007020020 is an apocalyptic number.

70007020020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70007020020 is the 374184-th triangular number.

It is an amenable number.

70007020020 is an abundant number, since it is smaller than the sum of its proper divisors (172753385868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70007020020 is a wasteful number, since it uses less digits than its factorization.

70007020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15910 (or 15905 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

Adding to 70007020020 its reverse (2002070007), we get a palindrome (72009090027).

The spelling of 70007020020 in words is "seventy billion, seven million, twenty thousand, twenty".