620472011 has 4 divisors (see below), whose sum is σ = 621559224. Its totient is φ = 619384800.

The previous prime is 620471993. The next prime is 620472029. The reversal of 620472011 is 110274026.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (620471993) and next prime (620472029).

It is a cyclic number.

It is not a de Polignac number, because 620472011 - 2¹⁸ = 620209867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620472071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542750 + ... + 543891.

It is an arithmetic number, because the mean of its divisors is an integer number (155389806).

Almost surely, 2^620472011 is an apocalyptic number.

620472011 is a deficient number, since it is larger than the sum of its proper divisors (1087213).

620472011 is a wasteful number, since it uses less digits than its factorization.

620472011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087212.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 620472011 is about 24909.2756016710. The cubic root of 620472011 is about 852.9182330489.

The spelling of 620472011 in words is "six hundred twenty million, four hundred seventy-two thousand, eleven".