1054040220 has 36 divisors (see below), whose sum is σ = 3197255880. Its totient is φ = 281077344.

The previous prime is 1054040213. The next prime is 1054040233. The reversal of 1054040220 is 220404501.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1054040220² = 2222001570755296800, which contains 22 as substring.

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 = 1054040193 and 1054040202.

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, 2927710 + ... + 2928069.

Almost surely, 2^1054040220 is an apocalyptic number.

1054040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054040220 is an abundant number, since it is smaller than the sum of its proper divisors (2143215660).

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

1054040220 is a wasteful number, since it uses less digits than its factorization.

1054040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855794 (or 5855789 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1054040220 is about 32465.9855849164. The cubic root of 1054040220 is about 1017.6983279666.

Adding to 1054040220 its reverse (220404501), we get a palindrome (1274444721).

The spelling of 1054040220 in words is "one billion, fifty-four million, forty thousand, two hundred twenty".