1071342073020 has 96 divisors (see below), whose sum is σ = 3019433937408. Its totient is φ = 283817993472.

The previous prime is 1071342073007. The next prime is 1071342073027. The reversal of 1071342073020 is 203702431701.

It is a super-2 number, since 2×1071342073020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071342073027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90303609 + ... + 90315471.

It is an arithmetic number, because the mean of its divisors is an integer number (31452436848).

Almost surely, 2^{1071342073020} is an apocalyptic number.

1071342073020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071342073020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509716968704).

1071342073020 is an abundant number, since it is smaller than the sum of its proper divisors (1948091864388).

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

1071342073020 is a wasteful number, since it uses less digits than its factorization.

1071342073020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21619 (or 21617 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 1071342073020 in words is "one trillion, seventy-one billion, three hundred forty-two million, seventy-three thousand, twenty".