1464621020 has 24 divisors (see below), whose sum is σ = 3082453584. Its totient is φ = 584562816.

The previous prime is 1464621019. The next prime is 1464621083. The reversal of 1464621020 is 201264641.

It is a super-2 number, since 2×1464621020² = 4290229464451680800, which contains 22 as substring.

It is a congruent number.

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, 70982 + ... + 89261.

It is an arithmetic number, because the mean of its divisors is an integer number (128435566).

Almost surely, 2^1464621020 is an apocalyptic number.

1464621020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464621020 is an abundant number, since it is smaller than the sum of its proper divisors (1617832564).

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

1464621020 is a wasteful number, since it uses less digits than its factorization.

1464621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160709 (or 160707 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1464621020 is about 38270.3673878368. The cubic root of 1464621020 is about 1135.6428063908.

Adding to 1464621020 its reverse (201264641), we get a palindrome (1665885661).

The spelling of 1464621020 in words is "one billion, four hundred sixty-four million, six hundred twenty-one thousand, twenty".