20291209300292 has 48 divisors (see below), whose sum is σ = 43057853491968. Its totient is φ = 8167883028480.

The previous prime is 20291209300261. The next prime is 20291209300303. The reversal of 20291209300292 is 29200390219202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43534709 + ... + 43998332.

It is an arithmetic number, because the mean of its divisors is an integer number (897038614416).

Almost surely, 2^{20291209300292} is an apocalyptic number.

It is an amenable number.

20291209300292 is an abundant number, since it is smaller than the sum of its proper divisors (22766644191676).

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

20291209300292 is a wasteful number, since it uses less digits than its factorization.

20291209300292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87533556 (or 87533554 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

Adding to 20291209300292 its reverse (29200390219202), we get a palindrome (49491599519494).

The spelling of 20291209300292 in words is "twenty trillion, two hundred ninety-one billion, two hundred nine million, three hundred thousand, two hundred ninety-two".