1420032650 has 48 divisors (see below), whose sum is σ = 2802945600. Its totient is φ = 534082560.

The previous prime is 1420032643. The next prime is 1420032671. The reversal of 1420032650 is 562300241.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57386 + ... + 78314.

It is an arithmetic number, because the mean of its divisors is an integer number (58394700).

Almost surely, 2^1420032650 is an apocalyptic number.

1420032650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420032650 is a deficient number, since it is larger than the sum of its proper divisors (1382912950).

1420032650 is a wasteful number, since it uses less digits than its factorization.

1420032650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023 (or 21018 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1420032650 is about 37683.3205808618. The cubic root of 1420032650 is about 1123.9994791730. Note that the first 3 decimals are identical.

Adding to 1420032650 its reverse (562300241), we get a palindrome (1982332891).

The spelling of 1420032650 in words is "one billion, four hundred twenty million, thirty-two thousand, six hundred fifty".