1051970220 has 288 divisors, whose sum is σ = 3861043200. Its totient is φ = 237057408.

The previous prime is 1051970201. The next prime is 1051970233. The reversal of 1051970220 is 220791501.

It is a super-2 number, since 2×1051970220² = 2213282687533696800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2195941 + ... + 2196419.

It is an arithmetic number, because the mean of its divisors is an integer number (13406400).

Almost surely, 2^1051970220 is an apocalyptic number.

1051970220 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 1051970220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930521600).

1051970220 is an abundant number, since it is smaller than the sum of its proper divisors (2809072980).

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

1051970220 is a wasteful number, since it uses less digits than its factorization.

1051970220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1051970220 is about 32434.0903988381. The cubic root of 1051970220 is about 1017.0316816472.

The spelling of 1051970220 in words is "one billion, fifty-one million, nine hundred seventy thousand, two hundred twenty".