20235656514 has 32 divisors (see below), whose sum is σ = 41435133696. Its totient is φ = 6586197120.

The previous prime is 20235656513. The next prime is 20235656521. The reversal of 20235656514 is 41565653202.

It is not an unprimeable number, because it can be changed into a prime (20235656513) 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, 151642 + ... + 251925.

It is an arithmetic number, because the mean of its divisors is an integer number (1294847928).

Almost surely, 2^20235656514 is an apocalyptic number.

20235656514 is an abundant number, since it is smaller than the sum of its proper divisors (21199477182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235656514 is a wasteful number, since it uses less digits than its factorization.

20235656514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403770.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 20235656514 in words is "twenty billion, two hundred thirty-five million, six hundred fifty-six thousand, five hundred fourteen".