2051207016620 has 48 divisors (see below), whose sum is σ = 4364428400640. Its totient is φ = 809657194944.

The previous prime is 2051207016611. The next prime is 2051207016629. The reversal of 2051207016620 is 266107021502.

It is an interprime number because it is at equal distance from previous prime (2051207016611) and next prime (2051207016629).

It is a super-2 number, since 2×2051207016620² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2051207016629) 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 15 ways as a sum of consecutive naturals, for example, 2566817 + ... + 3269703.

It is an arithmetic number, because the mean of its divisors is an integer number (90925591680).

Almost surely, 2^{2051207016620} is an apocalyptic number.

2051207016620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051207016620 is an abundant number, since it is smaller than the sum of its proper divisors (2313221384020).

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

2051207016620 is a wasteful number, since it uses less digits than its factorization.

2051207016620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704822 (or 704820 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 2051207016620 in words is "two trillion, fifty-one billion, two hundred seven million, sixteen thousand, six hundred twenty".