20078150 has 48 divisors (see below), whose sum is σ = 39439440. Its totient is φ = 7593600.

The previous prime is 20078147. The next prime is 20078153. The reversal of 20078150 is 5187002.

It is an interprime number because it is at equal distance from previous prime (20078147) and next prime (20078153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20078153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88337 + ... + 88563.

It is an arithmetic number, because the mean of its divisors is an integer number (821655).

Almost surely, 2^20078150 is an apocalyptic number.

20078150 is a deficient number, since it is larger than the sum of its proper divisors (19361290).

20078150 is a wasteful number, since it uses less digits than its factorization.

20078150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 20078150 is about 4480.8648718746. The cubic root of 20078150 is about 271.7948550485.

The spelling of 20078150 in words is "twenty million, seventy-eight thousand, one hundred fifty".