20078674 has 32 divisors (see below), whose sum is σ = 37775232. Its totient is φ = 7776000.

The previous prime is 20078671. The next prime is 20078677. The reversal of 20078674 is 47687002.

It is an interprime number because it is at equal distance from previous prime (20078671) and next prime (20078677).

It is not an unprimeable number, because it can be changed into a prime (20078671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36844 + ... + 37384.

It is an arithmetic number, because the mean of its divisors is an integer number (1180476).

Almost surely, 2^20078674 is an apocalyptic number.

20078674 is a deficient number, since it is larger than the sum of its proper divisors (17696558).

20078674 is a wasteful number, since it uses less digits than its factorization.

20078674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 20078674 is about 4480.9233423481. The cubic root of 20078674 is about 271.7972194639.

The spelling of 20078674 in words is "twenty million, seventy-eight thousand, six hundred seventy-four".