20555210292 has 24 divisors (see below), whose sum is σ = 47965016736. Its totient is φ = 6851328288.

The previous prime is 20555210257. The next prime is 20555210311. The reversal of 20555210292 is 29201255502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213403 + ... + 294365.

It is an arithmetic number, because the mean of its divisors is an integer number (1998542364).

Almost surely, 2^20555210292 is an apocalyptic number.

It is an amenable number.

20555210292 is an abundant number, since it is smaller than the sum of its proper divisors (27409806444).

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

20555210292 is a wasteful number, since it uses less digits than its factorization.

20555210292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102127 (or 102125 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 20555210292 its reverse (29201255502), we get a palindrome (49756465794).

It can be divided in two parts, 20555210 and 292, that added together give a palindrome (20555502).

The spelling of 20555210292 in words is "twenty billion, five hundred fifty-five million, two hundred ten thousand, two hundred ninety-two".