1020783618910 has 32 divisors (see below), whose sum is σ = 2122356533472. Its totient is φ = 349359098880.

The previous prime is 1020783618887. The next prime is 1020783618929. The reversal of 1020783618910 is 198163870201.

It is a happy number.

It is a super-2 number, since 2×1020783618910² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 272934927 + ... + 272938666.

It is an arithmetic number, because the mean of its divisors is an integer number (66323641671).

Almost surely, 2^{1020783618910} is an apocalyptic number.

1020783618910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020783618910 is an abundant number, since it is smaller than the sum of its proper divisors (1101572914562).

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

1020783618910 is a wasteful number, since it uses less digits than its factorization.

1020783618910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545873628.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1020783618910 in words is "one trillion, twenty billion, seven hundred eighty-three million, six hundred eighteen thousand, nine hundred ten".