1020209974 has 8 divisors (see below), whose sum is σ = 1748931408. Its totient is φ = 437232840.

The previous prime is 1020209941. The next prime is 1020209987. The reversal of 1020209974 is 4799020201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36436057 + ... + 36436084.

It is an arithmetic number, because the mean of its divisors is an integer number (218616426).

Almost surely, 2^1020209974 is an apocalyptic number.

1020209974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020209974 is a deficient number, since it is larger than the sum of its proper divisors (728721434).

1020209974 is an equidigital number, since it uses as much as digits as its factorization.

1020209974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72872150.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1020209974 is about 31940.7259466656. The cubic root of 1020209974 is about 1006.6917782186.

The spelling of 1020209974 in words is "one billion, twenty million, two hundred nine thousand, nine hundred seventy-four".