20014136278 has 16 divisors (see below), whose sum is σ = 31823204400. Its totient is φ = 9407736576.

The previous prime is 20014136257. The next prime is 20014136279. The reversal of 20014136278 is 87263141002.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014136279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303303 + ... + 363346.

It is an arithmetic number, because the mean of its divisors is an integer number (1988950275).

Almost surely, 2^20014136278 is an apocalyptic number.

20014136278 is a deficient number, since it is larger than the sum of its proper divisors (11809068122).

20014136278 is a wasteful number, since it uses less digits than its factorization.

20014136278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667551.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 20014136278 in words is "twenty billion, fourteen million, one hundred thirty-six thousand, two hundred seventy-eight".