1368553020 has 24 divisors (see below), whose sum is σ = 3831948624. Its totient is φ = 364947456.

The previous prime is 1368553019. The next prime is 1368553027. The reversal of 1368553020 is 203558631.

It is a super-2 number, since 2×1368553020² = 3745874737102240800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368553027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404549 + ... + 11404668.

It is an arithmetic number, because the mean of its divisors is an integer number (159664526).

Almost surely, 2^1368553020 is an apocalyptic number.

1368553020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368553020 is an abundant number, since it is smaller than the sum of its proper divisors (2463395604).

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

1368553020 is a wasteful number, since it uses less digits than its factorization.

1368553020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22809229 (or 22809227 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1368553020 is about 36993.9592366105. The cubic root of 1368553020 is about 1110.2493880035.

The spelling of 1368553020 in words is "one billion, three hundred sixty-eight million, five hundred fifty-three thousand, twenty".