851020026 has 32 divisors (see below), whose sum is σ = 1745428608. Its totient is φ = 276456960.

The previous prime is 851020019. The next prime is 851020039. The reversal of 851020026 is 620020158.

It is a junction number, because it is equal to n+sod(n) for n = 851019978 and 851020005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453426 + ... + 455298.

It is an arithmetic number, because the mean of its divisors is an integer number (54544644).

Almost surely, 2^851020026 is an apocalyptic number.

851020026 is an abundant number, since it is smaller than the sum of its proper divisors (894408582).

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

851020026 is a wasteful number, since it uses less digits than its factorization.

851020026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 851020026 is about 29172.2475308297. The cubic root of 851020026 is about 947.6470026695.

The spelling of 851020026 in words is "eight hundred fifty-one million, twenty thousand, twenty-six".