1070820157220 has 96 divisors (see below), whose sum is σ = 2576764624896. Its totient is φ = 369992304000.

The previous prime is 1070820157213. The next prime is 1070820157223. The reversal of 1070820157220 is 227510280701.

It is a super-2 number, since 2×1070820157220² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1070820157223) 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, 63317 + ... + 1464803.

It is an arithmetic number, because the mean of its divisors is an integer number (26841298176).

Almost surely, 2^{1070820157220} is an apocalyptic number.

1070820157220 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 1070820157220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288382312448).

1070820157220 is an abundant number, since it is smaller than the sum of its proper divisors (1505944467676).

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

1070820157220 is a wasteful number, since it uses less digits than its factorization.

1070820157220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401681 (or 1401679 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 1070820157220 in words is "one trillion, seventy billion, eight hundred twenty million, one hundred fifty-seven thousand, two hundred twenty".