1020691464 has 32 divisors (see below), whose sum is σ = 2748016320. Its totient is φ = 314058816.

The previous prime is 1020691429. The next prime is 1020691471. The reversal of 1020691464 is 4641960201.

It is a super-2 number, since 2×1020691464² = 2083622129364926592, which contains 22 as substring.

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, 1635412 + ... + 1636035.

It is an arithmetic number, because the mean of its divisors is an integer number (85875510).

Almost surely, 2^1020691464 is an apocalyptic number.

It is an amenable number.

1020691464 is an abundant number, since it is smaller than the sum of its proper divisors (1727324856).

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

1020691464 is a wasteful number, since it uses less digits than its factorization.

1020691464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271469 (or 3271465 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1020691464 is about 31948.2623001627. The cubic root of 1020691464 is about 1006.8501233315.

The spelling of 1020691464 in words is "one billion, twenty million, six hundred ninety-one thousand, four hundred sixty-four".