1020495692 has 12 divisors (see below), whose sum is σ = 1786878240. Its totient is φ = 509959056.

The previous prime is 1020495691. The next prime is 1020495713. The reversal of 1020495692 is 2965940201.

It is a super-2 number, since 2×1020495692² = 2082822914781117728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020495691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64148 + ... + 78459.

It is an arithmetic number, because the mean of its divisors is an integer number (148906520).

Almost surely, 2^1020495692 is an apocalyptic number.

It is an amenable number.

1020495692 is a deficient number, since it is larger than the sum of its proper divisors (766382548).

1020495692 is a wasteful number, since it uses less digits than its factorization.

1020495692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144400 (or 144398 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1020495692 is about 31945.1982620237. The cubic root of 1020495692 is about 1006.7857468204.

The spelling of 1020495692 in words is "one billion, twenty million, four hundred ninety-five thousand, six hundred ninety-two".