1353783020 has 24 divisors (see below), whose sum is σ = 2934653568. Its totient is φ = 524044800.

The previous prime is 1353782987. The next prime is 1353783071. The reversal of 1353783020 is 203873531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091141 + ... + 1092380.

It is an arithmetic number, because the mean of its divisors is an integer number (122277232).

Almost surely, 2^1353783020 is an apocalyptic number.

1353783020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353783020 is an abundant number, since it is smaller than the sum of its proper divisors (1580870548).

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

1353783020 is a wasteful number, since it uses less digits than its factorization.

1353783020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183561 (or 2183559 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1353783020 is about 36793.7905087258. The cubic root of 1353783020 is about 1106.2408397424.

The spelling of 1353783020 in words is "one billion, three hundred fifty-three million, seven hundred eighty-three thousand, twenty".