20130974 has 8 divisors (see below), whose sum is σ = 30220128. Its totient is φ = 10057600.

The previous prime is 20130961. The next prime is 20130983. The reversal of 20130974 is 47903102.

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

It is a super-2 number, since 2×20130974² = 810512228377352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (3777516).

Almost surely, 2^20130974 is an apocalyptic number.

20130974 is a deficient number, since it is larger than the sum of its proper divisors (10089154).

20130974 is a wasteful number, since it uses less digits than its factorization.

20130974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20130974 is about 4486.7553978348. The cubic root of 20130974 is about 272.0330031321.

The spelling of 20130974 in words is "twenty million, one hundred thirty thousand, nine hundred seventy-four".