1020641463226 has 128 divisors (see below), whose sum is σ = 1995272294400. Its totient is φ = 380087769600.

The previous prime is 1020641463221. The next prime is 1020641463313. The reversal of 1020641463226 is 6223641460201.

It is a super-2 number, since 2×1020641463226² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020641463221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80378110 + ... + 80390806.

It is an arithmetic number, because the mean of its divisors is an integer number (15588064800).

Almost surely, 2^{1020641463226} is an apocalyptic number.

1020641463226 is a deficient number, since it is larger than the sum of its proper divisors (974630831174).

1020641463226 is a wasteful number, since it uses less digits than its factorization.

1020641463226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1020641463226 in words is "one trillion, twenty billion, six hundred forty-one million, four hundred sixty-three thousand, two hundred twenty-six".