20298073652 has 24 divisors (see below), whose sum is σ = 35704200840. Its totient is φ = 10096957440.

The previous prime is 20298073651. The next prime is 20298073693. The reversal of 20298073652 is 25637089202.

It can be written as a sum of positive squares in 4 ways, for example, as 1811864356 + 18486209296 = 42566^2 + 135964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20298073651) 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, 1020668 + ... + 1040364.

It is an arithmetic number, because the mean of its divisors is an integer number (1487675035).

Almost surely, 2^20298073652 is an apocalyptic number.

It is an amenable number.

20298073652 is a deficient number, since it is larger than the sum of its proper divisors (15406127188).

20298073652 is a wasteful number, since it uses less digits than its factorization.

20298073652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011 (or 21009 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 20298073652 in words is "twenty billion, two hundred ninety-eight million, seventy-three thousand, six hundred fifty-two".