1020236515100 has 36 divisors (see below), whose sum is σ = 2415178080168. Its totient is φ = 370995096000.

The previous prime is 1020236515099. The next prime is 1020236515121. The reversal of 1020236515100 is 15156320201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020236515100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463742771 + ... + 463744970.

Almost surely, 2^{1020236515100} is an apocalyptic number.

1020236515100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020236515100 is an abundant number, since it is smaller than the sum of its proper divisors (1394941565068).

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

1020236515100 is a wasteful number, since it uses less digits than its factorization.

1020236515100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927487766 (or 927487759 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 1020236515100 in words is "one trillion, twenty billion, two hundred thirty-six million, five hundred fifteen thousand, one hundred".