20930210492 has 6 divisors (see below), whose sum is σ = 36627868368. Its totient is φ = 10465105244.

The previous prime is 20930210461. The next prime is 20930210527. The reversal of 20930210492 is 29401203902.

It is a super-2 number, since 2×20930210492² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2616276308 + ... + 2616276315.

It is an arithmetic number, because the mean of its divisors is an integer number (6104644728).

Almost surely, 2^20930210492 is an apocalyptic number.

It is an amenable number.

20930210492 is a deficient number, since it is larger than the sum of its proper divisors (15697657876).

20930210492 is a wasteful number, since it uses less digits than its factorization.

20930210492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232552627 (or 5232552625 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 20930210492 in words is "twenty billion, nine hundred thirty million, two hundred ten thousand, four hundred ninety-two".