20535147292 has 12 divisors (see below), whose sum is σ = 39203463096. Its totient is φ = 9334157840.

The previous prime is 20535147287. The next prime is 20535147301. The reversal of 20535147292 is 29274153502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233353903 + ... + 233353990.

It is an arithmetic number, because the mean of its divisors is an integer number (3266955258).

Almost surely, 2^20535147292 is an apocalyptic number.

20535147292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20535147292 is a deficient number, since it is larger than the sum of its proper divisors (18668315804).

20535147292 is a wasteful number, since it uses less digits than its factorization.

20535147292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466707908 (or 466707906 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 20535147292 in words is "twenty billion, five hundred thirty-five million, one hundred forty-seven thousand, two hundred ninety-two".