1010019202020 has 72 divisors (see below), whose sum is σ = 3064044686976. Its totient is φ = 269310341952.

The previous prime is 1010019202007. The next prime is 1010019202037. The reversal of 1010019202020 is 202029100101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1010019201984 and 1010019202002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1465779 + ... + 2041701.

It is an arithmetic number, because the mean of its divisors is an integer number (42556176208).

Almost surely, 2^{1010019202020} is an apocalyptic number.

1010019202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010019202020 is an abundant number, since it is smaller than the sum of its proper divisors (2054025484956).

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

1010019202020 is a wasteful number, since it uses less digits than its factorization.

1010019202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585681 (or 585676 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 1010019202020 in words is "one trillion, ten billion, nineteen million, two hundred two thousand, twenty".